Home / 13,180.38-18,191.08-7,594.62

Finding the Fourth Proportional to 13,180.38, 18,191.08 and 7,594.62

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Solution

The fourth proportional to 13,180.38, 18,191.08 and 7,594.62 is: 10,481.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180.38 : 18,191.08 = 7,594.62 : x
  2. Step 2: Convert to fraction form
    13,180.38/18,191.08 = 7,594.62/x
  3. Step 3: Cross multiply
    13,180.38x = 18,191.08 × 7,594.62
  4. Step 4: Simplify right side
    13,180.38x = 138,154,339.99
  5. Step 5: Solve for x
    x = 138,154,339.99/13,180.38
  6. Step 6: Final answer
    x = 10,481.82

Related Problems

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Half scale
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Double scale
Find fourth proportional to 13,181.38, 18,192.46 and 7,595.62
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.