Home / 16,140.20-22,267.24-11,901.29

Finding the Fourth Proportional to 16,140.20, 22,267.24 and 11,901.29

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Solution

The fourth proportional to 16,140.20, 22,267.24 and 11,901.29 is: 16,419.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,140.20 : 22,267.24 = 11,901.29 : x
  2. Step 2: Convert to fraction form
    16,140.20/22,267.24 = 11,901.29/x
  3. Step 3: Cross multiply
    16,140.20x = 22,267.24 × 11,901.29
  4. Step 4: Simplify right side
    16,140.20x = 265,008,906.65
  5. Step 5: Solve for x
    x = 265,008,906.65/16,140.20
  6. Step 6: Final answer
    x = 16,419.18

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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.