Home / 16,253.80-22,429.08-9,539.70

Finding the Fourth Proportional to 16,253.80, 22,429.08 and 9,539.70

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Solution

The fourth proportional to 16,253.80, 22,429.08 and 9,539.70 is: 13,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,253.80 : 22,429.08 = 9,539.70 : x
  2. Step 2: Convert to fraction form
    16,253.80/22,429.08 = 9,539.70/x
  3. Step 3: Cross multiply
    16,253.80x = 22,429.08 × 9,539.70
  4. Step 4: Simplify right side
    16,253.80x = 213,966,694.48
  5. Step 5: Solve for x
    x = 213,966,694.48/16,253.80
  6. Step 6: Final answer
    x = 13,164.10

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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.