Home / 16,291.16-22,481.40-9,217.52

Finding the Fourth Proportional to 16,291.16, 22,481.40 and 9,217.52

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Solution

The fourth proportional to 16,291.16, 22,481.40 and 9,217.52 is: 12,719.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,291.16 : 22,481.40 = 9,217.52 : x
  2. Step 2: Convert to fraction form
    16,291.16/22,481.40 = 9,217.52/x
  3. Step 3: Cross multiply
    16,291.16x = 22,481.40 × 9,217.52
  4. Step 4: Simplify right side
    16,291.16x = 207,222,754.13
  5. Step 5: Solve for x
    x = 207,222,754.13/16,291.16
  6. Step 6: Final answer
    x = 12,719.95

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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.