Home / 22,715.82-31,339.13-16,761.69

Finding the Fourth Proportional to 22,715.82, 31,339.13 and 16,761.69

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Solution

The fourth proportional to 22,715.82, 31,339.13 and 16,761.69 is: 23,124.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,715.82 : 31,339.13 = 16,761.69 : x
  2. Step 2: Convert to fraction form
    22,715.82/31,339.13 = 16,761.69/x
  3. Step 3: Cross multiply
    22,715.82x = 31,339.13 × 16,761.69
  4. Step 4: Simplify right side
    22,715.82x = 525,296,698.12
  5. Step 5: Solve for x
    x = 525,296,698.12/22,715.82
  6. Step 6: Final answer
    x = 23,124.71

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Half scale
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Double scale
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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.