Home / 26,379.95-36,407.79-15,046.85

Finding the Fourth Proportional to 26,379.95, 36,407.79 and 15,046.85

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Solution

The fourth proportional to 26,379.95, 36,407.79 and 15,046.85 is: 20,766.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,379.95 : 36,407.79 = 15,046.85 : x
  2. Step 2: Convert to fraction form
    26,379.95/36,407.79 = 15,046.85/x
  3. Step 3: Cross multiply
    26,379.95x = 36,407.79 × 15,046.85
  4. Step 4: Simplify right side
    26,379.95x = 547,822,372.92
  5. Step 5: Solve for x
    x = 547,822,372.92/26,379.95
  6. Step 6: Final answer
    x = 20,766.62

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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.