Home / 15,854.80-23,780.31-4,168.93

Finding the Fourth Proportional to 15,854.80, 23,780.31 and 4,168.93

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Solution

The fourth proportional to 15,854.80, 23,780.31 and 4,168.93 is: 6,252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,854.80 : 23,780.31 = 4,168.93 : x
  2. Step 2: Convert to fraction form
    15,854.80/23,780.31 = 4,168.93/x
  3. Step 3: Cross multiply
    15,854.80x = 23,780.31 × 4,168.93
  4. Step 4: Simplify right side
    15,854.80x = 99,138,517.64
  5. Step 5: Solve for x
    x = 99,138,517.64/15,854.80
  6. Step 6: Final answer
    x = 6,252.90

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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.