Home / 23,108.97-31,890.53-12,498.58

Finding the Fourth Proportional to 23,108.97, 31,890.53 and 12,498.58

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Solution

The fourth proportional to 23,108.97, 31,890.53 and 12,498.58 is: 17,248.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,108.97 : 31,890.53 = 12,498.58 : x
  2. Step 2: Convert to fraction form
    23,108.97/31,890.53 = 12,498.58/x
  3. Step 3: Cross multiply
    23,108.97x = 31,890.53 × 12,498.58
  4. Step 4: Simplify right side
    23,108.97x = 398,586,340.45
  5. Step 5: Solve for x
    x = 398,586,340.45/23,108.97
  6. Step 6: Final answer
    x = 17,248.12

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Half scale
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Double scale
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Similar ratio
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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.