Home / 21,337.83-29,404.22-16,307.73

Finding the Fourth Proportional to 21,337.83, 29,404.22 and 16,307.73

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Solution

The fourth proportional to 21,337.83, 29,404.22 and 16,307.73 is: 22,472.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,337.83 : 29,404.22 = 16,307.73 : x
  2. Step 2: Convert to fraction form
    21,337.83/29,404.22 = 16,307.73/x
  3. Step 3: Cross multiply
    21,337.83x = 29,404.22 × 16,307.73
  4. Step 4: Simplify right side
    21,337.83x = 479,515,999.08
  5. Step 5: Solve for x
    x = 479,515,999.08/21,337.83
  6. Step 6: Final answer
    x = 22,472.58

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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.