Home / 22,834.28-31,512.90-12,764.68

Finding the Fourth Proportional to 22,834.28, 31,512.90 and 12,764.68

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Solution

The fourth proportional to 22,834.28, 31,512.90 and 12,764.68 is: 17,616.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,834.28 : 31,512.90 = 12,764.68 : x
  2. Step 2: Convert to fraction form
    22,834.28/31,512.90 = 12,764.68/x
  3. Step 3: Cross multiply
    22,834.28x = 31,512.90 × 12,764.68
  4. Step 4: Simplify right side
    22,834.28x = 402,252,084.37
  5. Step 5: Solve for x
    x = 402,252,084.37/22,834.28
  6. Step 6: Final answer
    x = 17,616.15

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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.