Home / 22,666.80-31,279.56-12,594.98

Finding the Fourth Proportional to 22,666.80, 31,279.56 and 12,594.98

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Solution

The fourth proportional to 22,666.80, 31,279.56 and 12,594.98 is: 17,380.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,666.80 : 31,279.56 = 12,594.98 : x
  2. Step 2: Convert to fraction form
    22,666.80/31,279.56 = 12,594.98/x
  3. Step 3: Cross multiply
    22,666.80x = 31,279.56 × 12,594.98
  4. Step 4: Simplify right side
    22,666.80x = 393,965,432.61
  5. Step 5: Solve for x
    x = 393,965,432.61/22,666.80
  6. Step 6: Final answer
    x = 17,380.73

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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.