Home / 15,455.10-23,127.17-13,382.18

Finding the Fourth Proportional to 15,455.10, 23,127.17 and 13,382.18

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Solution

The fourth proportional to 15,455.10, 23,127.17 and 13,382.18 is: 20,025.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455.10 : 23,127.17 = 13,382.18 : x
  2. Step 2: Convert to fraction form
    15,455.10/23,127.17 = 13,382.18/x
  3. Step 3: Cross multiply
    15,455.10x = 23,127.17 × 13,382.18
  4. Step 4: Simplify right side
    15,455.10x = 309,491,769.28
  5. Step 5: Solve for x
    x = 309,491,769.28/15,455.10
  6. Step 6: Final answer
    x = 20,025.22

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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.