Home / 23,098.84-31,876.37-12,488.45

Finding the Fourth Proportional to 23,098.84, 31,876.37 and 12,488.45

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Solution

The fourth proportional to 23,098.84, 31,876.37 and 12,488.45 is: 17,234.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,098.84 : 31,876.37 = 12,488.45 : x
  2. Step 2: Convert to fraction form
    23,098.84/31,876.37 = 12,488.45/x
  3. Step 3: Cross multiply
    23,098.84x = 31,876.37 × 12,488.45
  4. Step 4: Simplify right side
    23,098.84x = 398,086,277.93
  5. Step 5: Solve for x
    x = 398,086,277.93/23,098.84
  6. Step 6: Final answer
    x = 17,234.04

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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.