Home / 18,901.24-26,083.72-10,517.76

Finding the Fourth Proportional to 18,901.24, 26,083.72 and 10,517.76

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Solution

The fourth proportional to 18,901.24, 26,083.72 and 10,517.76 is: 14,514.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,901.24 : 26,083.72 = 10,517.76 : x
  2. Step 2: Convert to fraction form
    18,901.24/26,083.72 = 10,517.76/x
  3. Step 3: Cross multiply
    18,901.24x = 26,083.72 × 10,517.76
  4. Step 4: Simplify right side
    18,901.24x = 274,342,306.87
  5. Step 5: Solve for x
    x = 274,342,306.87/18,901.24
  6. Step 6: Final answer
    x = 14,514.51

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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.