Home / 25,481.85-35,166.72-15,410.71

Finding the Fourth Proportional to 25,481.85, 35,166.72 and 15,410.71

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Solution

The fourth proportional to 25,481.85, 35,166.72 and 15,410.71 is: 21,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,481.85 : 35,166.72 = 15,410.71 : x
  2. Step 2: Convert to fraction form
    25,481.85/35,166.72 = 15,410.71/x
  3. Step 3: Cross multiply
    25,481.85x = 35,166.72 × 15,410.71
  4. Step 4: Simplify right side
    25,481.85x = 541,944,123.57
  5. Step 5: Solve for x
    x = 541,944,123.57/25,481.85
  6. Step 6: Final answer
    x = 21,267.85

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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.