Home / 23,117.12-34,687.20-9,972.80

Finding the Fourth Proportional to 23,117.12, 34,687.20 and 9,972.80

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Solution

The fourth proportional to 23,117.12, 34,687.20 and 9,972.80 is: 14,964.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,117.12 : 34,687.20 = 9,972.80 : x
  2. Step 2: Convert to fraction form
    23,117.12/34,687.20 = 9,972.80/x
  3. Step 3: Cross multiply
    23,117.12x = 34,687.20 × 9,972.80
  4. Step 4: Simplify right side
    23,117.12x = 345,928,508.16
  5. Step 5: Solve for x
    x = 345,928,508.16/23,117.12
  6. Step 6: Final answer
    x = 14,964.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.