Home / 18,139.83-25,032.27-10,073.85

Finding the Fourth Proportional to 18,139.83, 25,032.27 and 10,073.85

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Solution

The fourth proportional to 18,139.83, 25,032.27 and 10,073.85 is: 13,901.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139.83 : 25,032.27 = 10,073.85 : x
  2. Step 2: Convert to fraction form
    18,139.83/25,032.27 = 10,073.85/x
  3. Step 3: Cross multiply
    18,139.83x = 25,032.27 × 10,073.85
  4. Step 4: Simplify right side
    18,139.83x = 252,171,277.05
  5. Step 5: Solve for x
    x = 252,171,277.05/18,139.83
  6. Step 6: Final answer
    x = 13,901.53

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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.