Home / 17,428.32-24,060-13,440.48

Finding the Fourth Proportional to 17,428.32, 24,060 and 13,440.48

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Solution

The fourth proportional to 17,428.32, 24,060 and 13,440.48 is: 18,554.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,428.32 : 24,060 = 13,440.48 : x
  2. Step 2: Convert to fraction form
    17,428.32/24,060 = 13,440.48/x
  3. Step 3: Cross multiply
    17,428.32x = 24,060 × 13,440.48
  4. Step 4: Simplify right side
    17,428.32x = 323,377,948.80
  5. Step 5: Solve for x
    x = 323,377,948.80/17,428.32
  6. Step 6: Final answer
    x = 18,554.74

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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.