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Finding the Fourth Proportional to 13,182.75, 18,192.20 and 7,593.75

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Solution

The fourth proportional to 13,182.75, 18,192.20 and 7,593.75 is: 10,479.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,182.75 : 18,192.20 = 7,593.75 : x
  2. Step 2: Convert to fraction form
    13,182.75/18,192.20 = 7,593.75/x
  3. Step 3: Cross multiply
    13,182.75x = 18,192.20 × 7,593.75
  4. Step 4: Simplify right side
    13,182.75x = 138,146,980.78
  5. Step 5: Solve for x
    x = 138,146,980.78/13,182.75
  6. Step 6: Final answer
    x = 10,479.38

Related Problems

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Half scale
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Double scale
Find fourth proportional to 13,183.75, 18,193.58 and 7,594.75
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.