Home / 22,510.24-31,063.84-12,439.38

Finding the Fourth Proportional to 22,510.24, 31,063.84 and 12,439.38

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Solution

The fourth proportional to 22,510.24, 31,063.84 and 12,439.38 is: 17,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,510.24 : 31,063.84 = 12,439.38 : x
  2. Step 2: Convert to fraction form
    22,510.24/31,063.84 = 12,439.38/x
  3. Step 3: Cross multiply
    22,510.24x = 31,063.84 × 12,439.38
  4. Step 4: Simplify right side
    22,510.24x = 386,414,910.02
  5. Step 5: Solve for x
    x = 386,414,910.02/22,510.24
  6. Step 6: Final answer
    x = 17,166.18

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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.