Home / 22,732.83-31,370.45-12,661.70

Finding the Fourth Proportional to 22,732.83, 31,370.45 and 12,661.70

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Solution

The fourth proportional to 22,732.83, 31,370.45 and 12,661.70 is: 17,472.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,732.83 : 31,370.45 = 12,661.70 : x
  2. Step 2: Convert to fraction form
    22,732.83/31,370.45 = 12,661.70/x
  3. Step 3: Cross multiply
    22,732.83x = 31,370.45 × 12,661.70
  4. Step 4: Simplify right side
    22,732.83x = 397,203,006.60
  5. Step 5: Solve for x
    x = 397,203,006.60/22,732.83
  6. Step 6: Final answer
    x = 17,472.66

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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.