Home / 18,103.72-24,982.68-10,146.46

Finding the Fourth Proportional to 18,103.72, 24,982.68 and 10,146.46

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Solution

The fourth proportional to 18,103.72, 24,982.68 and 10,146.46 is: 14,001.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103.72 : 24,982.68 = 10,146.46 : x
  2. Step 2: Convert to fraction form
    18,103.72/24,982.68 = 10,146.46/x
  3. Step 3: Cross multiply
    18,103.72x = 24,982.68 × 10,146.46
  4. Step 4: Simplify right side
    18,103.72x = 253,485,763.31
  5. Step 5: Solve for x
    x = 253,485,763.31/18,103.72
  6. Step 6: Final answer
    x = 14,001.86

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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.