Home / 18,484.38-25,508.44-10,100.88

Finding the Fourth Proportional to 18,484.38, 25,508.44 and 10,100.88

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Solution

The fourth proportional to 18,484.38, 25,508.44 and 10,100.88 is: 13,939.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,484.38 : 25,508.44 = 10,100.88 : x
  2. Step 2: Convert to fraction form
    18,484.38/25,508.44 = 10,100.88/x
  3. Step 3: Cross multiply
    18,484.38x = 25,508.44 × 10,100.88
  4. Step 4: Simplify right side
    18,484.38x = 257,657,691.43
  5. Step 5: Solve for x
    x = 257,657,691.43/18,484.38
  6. Step 6: Final answer
    x = 13,939.21

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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.