Home / 23,014.92-31,760.12-12,805.73

Finding the Fourth Proportional to 23,014.92, 31,760.12 and 12,805.73

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Solution

The fourth proportional to 23,014.92, 31,760.12 and 12,805.73 is: 17,671.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,014.92 : 31,760.12 = 12,805.73 : x
  2. Step 2: Convert to fraction form
    23,014.92/31,760.12 = 12,805.73/x
  3. Step 3: Cross multiply
    23,014.92x = 31,760.12 × 12,805.73
  4. Step 4: Simplify right side
    23,014.92x = 406,711,298.66
  5. Step 5: Solve for x
    x = 406,711,298.66/23,014.92
  6. Step 6: Final answer
    x = 17,671.64

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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.