Home / 21,439.52-29,592.96-13,060.16

Finding the Fourth Proportional to 21,439.52, 29,592.96 and 13,060.16

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Solution

The fourth proportional to 21,439.52, 29,592.96 and 13,060.16 is: 18,026.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,439.52 : 29,592.96 = 13,060.16 : x
  2. Step 2: Convert to fraction form
    21,439.52/29,592.96 = 13,060.16/x
  3. Step 3: Cross multiply
    21,439.52x = 29,592.96 × 13,060.16
  4. Step 4: Simplify right side
    21,439.52x = 386,488,792.47
  5. Step 5: Solve for x
    x = 386,488,792.47/21,439.52
  6. Step 6: Final answer
    x = 18,026.93

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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.