Home / 21,425.52-29,550.60-16,377.06

Finding the Fourth Proportional to 21,425.52, 29,550.60 and 16,377.06

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Solution

The fourth proportional to 21,425.52, 29,550.60 and 16,377.06 is: 22,587.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,425.52 : 29,550.60 = 16,377.06 : x
  2. Step 2: Convert to fraction form
    21,425.52/29,550.60 = 16,377.06/x
  3. Step 3: Cross multiply
    21,425.52x = 29,550.60 × 16,377.06
  4. Step 4: Simplify right side
    21,425.52x = 483,951,949.24
  5. Step 5: Solve for x
    x = 483,951,949.24/21,425.52
  6. Step 6: Final answer
    x = 22,587.64

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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.