Home / 13,183.36-18,191.28-7,593.28

Finding the Fourth Proportional to 13,183.36, 18,191.28 and 7,593.28

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Solution

The fourth proportional to 13,183.36, 18,191.28 and 7,593.28 is: 10,477.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.36 : 18,191.28 = 7,593.28 : x
  2. Step 2: Convert to fraction form
    13,183.36/18,191.28 = 7,593.28/x
  3. Step 3: Cross multiply
    13,183.36x = 18,191.28 × 7,593.28
  4. Step 4: Simplify right side
    13,183.36x = 138,131,482.60
  5. Step 5: Solve for x
    x = 138,131,482.60/13,183.36
  6. Step 6: Final answer
    x = 10,477.71

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Half scale
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Double scale
Find fourth proportional to 13,184.36, 18,192.66 and 7,594.28
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.