Home / 16,327.20-22,531.76-8,875.36

Finding the Fourth Proportional to 16,327.20, 22,531.76 and 8,875.36

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Solution

The fourth proportional to 16,327.20, 22,531.76 and 8,875.36 is: 12,248.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,327.20 : 22,531.76 = 8,875.36 : x
  2. Step 2: Convert to fraction form
    16,327.20/22,531.76 = 8,875.36/x
  3. Step 3: Cross multiply
    16,327.20x = 22,531.76 × 8,875.36
  4. Step 4: Simplify right side
    16,327.20x = 199,977,481.43
  5. Step 5: Solve for x
    x = 199,977,481.43/16,327.20
  6. Step 6: Final answer
    x = 12,248.12

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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.