Home / 34,452.54-51,665.45-12,261.78

Finding the Fourth Proportional to 34,452.54, 51,665.45 and 12,261.78

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Solution

The fourth proportional to 34,452.54, 51,665.45 and 12,261.78 is: 18,387.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,452.54 : 51,665.45 = 12,261.78 : x
  2. Step 2: Convert to fraction form
    34,452.54/51,665.45 = 12,261.78/x
  3. Step 3: Cross multiply
    34,452.54x = 51,665.45 × 12,261.78
  4. Step 4: Simplify right side
    34,452.54x = 633,510,320.19
  5. Step 5: Solve for x
    x = 633,510,320.19/34,452.54
  6. Step 6: Final answer
    x = 18,387.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.