Home / 23,132.30-31,922.64-12,521.92

Finding the Fourth Proportional to 23,132.30, 31,922.64 and 12,521.92

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Solution

The fourth proportional to 23,132.30, 31,922.64 and 12,521.92 is: 17,280.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,132.30 : 31,922.64 = 12,521.92 : x
  2. Step 2: Convert to fraction form
    23,132.30/31,922.64 = 12,521.92/x
  3. Step 3: Cross multiply
    23,132.30x = 31,922.64 × 12,521.92
  4. Step 4: Simplify right side
    23,132.30x = 399,732,744.27
  5. Step 5: Solve for x
    x = 399,732,744.27/23,132.30
  6. Step 6: Final answer
    x = 17,280.29

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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.