Home / 23,132.14-31,922.38-12,521.76

Finding the Fourth Proportional to 23,132.14, 31,922.38 and 12,521.76

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Solution

The fourth proportional to 23,132.14, 31,922.38 and 12,521.76 is: 17,280.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,132.14 : 31,922.38 = 12,521.76 : x
  2. Step 2: Convert to fraction form
    23,132.14/31,922.38 = 12,521.76/x
  3. Step 3: Cross multiply
    23,132.14x = 31,922.38 × 12,521.76
  4. Step 4: Simplify right side
    23,132.14x = 399,724,380.99
  5. Step 5: Solve for x
    x = 399,724,380.99/23,132.14
  6. Step 6: Final answer
    x = 17,280.04

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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.