Home / 16,290.27-22,481.10-9,216.54

Finding the Fourth Proportional to 16,290.27, 22,481.10 and 9,216.54

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Solution

The fourth proportional to 16,290.27, 22,481.10 and 9,216.54 is: 12,719.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,290.27 : 22,481.10 = 9,216.54 : x
  2. Step 2: Convert to fraction form
    16,290.27/22,481.10 = 9,216.54/x
  3. Step 3: Cross multiply
    16,290.27x = 22,481.10 × 9,216.54
  4. Step 4: Simplify right side
    16,290.27x = 207,197,957.39
  5. Step 5: Solve for x
    x = 207,197,957.39/16,290.27
  6. Step 6: Final answer
    x = 12,719.12

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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.