Home / 22,786.28-31,445.10-12,714.46

Finding the Fourth Proportional to 22,786.28, 31,445.10 and 12,714.46

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Solution

The fourth proportional to 22,786.28, 31,445.10 and 12,714.46 is: 17,545.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,786.28 : 31,445.10 = 12,714.46 : x
  2. Step 2: Convert to fraction form
    22,786.28/31,445.10 = 12,714.46/x
  3. Step 3: Cross multiply
    22,786.28x = 31,445.10 × 12,714.46
  4. Step 4: Simplify right side
    22,786.28x = 399,807,466.15
  5. Step 5: Solve for x
    x = 399,807,466.15/22,786.28
  6. Step 6: Final answer
    x = 17,545.97

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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.