Home / 18,060.80-24,921.90-10,102.82

Finding the Fourth Proportional to 18,060.80, 24,921.90 and 10,102.82

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Solution

The fourth proportional to 18,060.80, 24,921.90 and 10,102.82 is: 13,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,060.80 : 24,921.90 = 10,102.82 : x
  2. Step 2: Convert to fraction form
    18,060.80/24,921.90 = 10,102.82/x
  3. Step 3: Cross multiply
    18,060.80x = 24,921.90 × 10,102.82
  4. Step 4: Simplify right side
    18,060.80x = 251,781,469.76
  5. Step 5: Solve for x
    x = 251,781,469.76/18,060.80
  6. Step 6: Final answer
    x = 13,940.77

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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.