Home / 25,672.52-38,507.16-10,872.20

Finding the Fourth Proportional to 25,672.52, 38,507.16 and 10,872.20

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Solution

The fourth proportional to 25,672.52, 38,507.16 and 10,872.20 is: 16,307.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,672.52 : 38,507.16 = 10,872.20 : x
  2. Step 2: Convert to fraction form
    25,672.52/38,507.16 = 10,872.20/x
  3. Step 3: Cross multiply
    25,672.52x = 38,507.16 × 10,872.20
  4. Step 4: Simplify right side
    25,672.52x = 418,657,544.95
  5. Step 5: Solve for x
    x = 418,657,544.95/25,672.52
  6. Step 6: Final answer
    x = 16,307.61

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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.