Home / 23,098.95-31,876.55-12,488.58

Finding the Fourth Proportional to 23,098.95, 31,876.55 and 12,488.58

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Solution

The fourth proportional to 23,098.95, 31,876.55 and 12,488.58 is: 17,234.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,098.95 : 31,876.55 = 12,488.58 : x
  2. Step 2: Convert to fraction form
    23,098.95/31,876.55 = 12,488.58/x
  3. Step 3: Cross multiply
    23,098.95x = 31,876.55 × 12,488.58
  4. Step 4: Simplify right side
    23,098.95x = 398,092,844.80
  5. Step 5: Solve for x
    x = 398,092,844.80/23,098.95
  6. Step 6: Final answer
    x = 17,234.24

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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.