Home / 15,331.20-22,996.80-10,082.40

Finding the Fourth Proportional to 15,331.20, 22,996.80 and 10,082.40

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Solution

The fourth proportional to 15,331.20, 22,996.80 and 10,082.40 is: 15,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,331.20 : 22,996.80 = 10,082.40 : x
  2. Step 2: Convert to fraction form
    15,331.20/22,996.80 = 10,082.40/x
  3. Step 3: Cross multiply
    15,331.20x = 22,996.80 × 10,082.40
  4. Step 4: Simplify right side
    15,331.20x = 231,862,936.32
  5. Step 5: Solve for x
    x = 231,862,936.32/15,331.20
  6. Step 6: Final answer
    x = 15,123.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.