Home / 12,375.68-18,567.35-4,055.76

Finding the Fourth Proportional to 12,375.68, 18,567.35 and 4,055.76

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Solution

The fourth proportional to 12,375.68, 18,567.35 and 4,055.76 is: 6,084.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375.68 : 18,567.35 = 4,055.76 : x
  2. Step 2: Convert to fraction form
    12,375.68/18,567.35 = 4,055.76/x
  3. Step 3: Cross multiply
    12,375.68x = 18,567.35 × 4,055.76
  4. Step 4: Simplify right side
    12,375.68x = 75,304,695.16
  5. Step 5: Solve for x
    x = 75,304,695.16/12,375.68
  6. Step 6: Final answer
    x = 6,084.90

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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.