Home / 18,151.30-25,045.62-10,083.66

Finding the Fourth Proportional to 18,151.30, 25,045.62 and 10,083.66

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Solution

The fourth proportional to 18,151.30, 25,045.62 and 10,083.66 is: 13,913.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151.30 : 25,045.62 = 10,083.66 : x
  2. Step 2: Convert to fraction form
    18,151.30/25,045.62 = 10,083.66/x
  3. Step 3: Cross multiply
    18,151.30x = 25,045.62 × 10,083.66
  4. Step 4: Simplify right side
    18,151.30x = 252,551,516.57
  5. Step 5: Solve for x
    x = 252,551,516.57/18,151.30
  6. Step 6: Final answer
    x = 13,913.69

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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.