Home / 16,251.57-22,428.54-9,179.28

Finding the Fourth Proportional to 16,251.57, 22,428.54 and 9,179.28

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Solution

The fourth proportional to 16,251.57, 22,428.54 and 9,179.28 is: 12,668.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,251.57 : 22,428.54 = 9,179.28 : x
  2. Step 2: Convert to fraction form
    16,251.57/22,428.54 = 9,179.28/x
  3. Step 3: Cross multiply
    16,251.57x = 22,428.54 × 9,179.28
  4. Step 4: Simplify right side
    16,251.57x = 205,877,848.65
  5. Step 5: Solve for x
    x = 205,877,848.65/16,251.57
  6. Step 6: Final answer
    x = 12,668.18

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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.