Home / 22,612.98-31,207.83-12,544.66

Finding the Fourth Proportional to 22,612.98, 31,207.83 and 12,544.66

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Solution

The fourth proportional to 22,612.98, 31,207.83 and 12,544.66 is: 17,312.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,612.98 : 31,207.83 = 12,544.66 : x
  2. Step 2: Convert to fraction form
    22,612.98/31,207.83 = 12,544.66/x
  3. Step 3: Cross multiply
    22,612.98x = 31,207.83 × 12,544.66
  4. Step 4: Simplify right side
    22,612.98x = 391,491,727.30
  5. Step 5: Solve for x
    x = 391,491,727.30/22,612.98
  6. Step 6: Final answer
    x = 17,312.70

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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.