Home / 22,862.28-34,270.70-12,981.09

Finding the Fourth Proportional to 22,862.28, 34,270.70 and 12,981.09

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Solution

The fourth proportional to 22,862.28, 34,270.70 and 12,981.09 is: 19,458.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,862.28 : 34,270.70 = 12,981.09 : x
  2. Step 2: Convert to fraction form
    22,862.28/34,270.70 = 12,981.09/x
  3. Step 3: Cross multiply
    22,862.28x = 34,270.70 × 12,981.09
  4. Step 4: Simplify right side
    22,862.28x = 444,870,976.16
  5. Step 5: Solve for x
    x = 444,870,976.16/22,862.28
  6. Step 6: Final answer
    x = 19,458.73

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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.