Home / 18,209.49-25,127.36-13,432.04

Finding the Fourth Proportional to 18,209.49, 25,127.36 and 13,432.04

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Solution

The fourth proportional to 18,209.49, 25,127.36 and 13,432.04 is: 18,534.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209.49 : 25,127.36 = 13,432.04 : x
  2. Step 2: Convert to fraction form
    18,209.49/25,127.36 = 13,432.04/x
  3. Step 3: Cross multiply
    18,209.49x = 25,127.36 × 13,432.04
  4. Step 4: Simplify right side
    18,209.49x = 337,511,511.82
  5. Step 5: Solve for x
    x = 337,511,511.82/18,209.49
  6. Step 6: Final answer
    x = 18,534.92

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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.