Home / 16,201.68-22,356.72-9,129.36

Finding the Fourth Proportional to 16,201.68, 22,356.72 and 9,129.36

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Solution

The fourth proportional to 16,201.68, 22,356.72 and 9,129.36 is: 12,597.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,201.68 : 22,356.72 = 9,129.36 : x
  2. Step 2: Convert to fraction form
    16,201.68/22,356.72 = 9,129.36/x
  3. Step 3: Cross multiply
    16,201.68x = 22,356.72 × 9,129.36
  4. Step 4: Simplify right side
    16,201.68x = 204,102,545.30
  5. Step 5: Solve for x
    x = 204,102,545.30/16,201.68
  6. Step 6: Final answer
    x = 12,597.62

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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.