Home / 21,737.12-32,592.56-11,862.68

Finding the Fourth Proportional to 21,737.12, 32,592.56 and 11,862.68

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Solution

The fourth proportional to 21,737.12, 32,592.56 and 11,862.68 is: 17,786.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,737.12 : 32,592.56 = 11,862.68 : x
  2. Step 2: Convert to fraction form
    21,737.12/32,592.56 = 11,862.68/x
  3. Step 3: Cross multiply
    21,737.12x = 32,592.56 × 11,862.68
  4. Step 4: Simplify right side
    21,737.12x = 386,635,109.66
  5. Step 5: Solve for x
    x = 386,635,109.66/21,737.12
  6. Step 6: Final answer
    x = 17,786.86

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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.