Home / 18,484.11-25,508.07-10,100.61

Finding the Fourth Proportional to 18,484.11, 25,508.07 and 10,100.61

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Solution

The fourth proportional to 18,484.11, 25,508.07 and 10,100.61 is: 13,938.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,484.11 : 25,508.07 = 10,100.61 : x
  2. Step 2: Convert to fraction form
    18,484.11/25,508.07 = 10,100.61/x
  3. Step 3: Cross multiply
    18,484.11x = 25,508.07 × 10,100.61
  4. Step 4: Simplify right side
    18,484.11x = 257,647,066.92
  5. Step 5: Solve for x
    x = 257,647,066.92/18,484.11
  6. Step 6: Final answer
    x = 13,938.84

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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.