Home / 25,278.70-34,891.55-14,671.75

Finding the Fourth Proportional to 25,278.70, 34,891.55 and 14,671.75

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Solution

The fourth proportional to 25,278.70, 34,891.55 and 14,671.75 is: 20,251.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278.70 : 34,891.55 = 14,671.75 : x
  2. Step 2: Convert to fraction form
    25,278.70/34,891.55 = 14,671.75/x
  3. Step 3: Cross multiply
    25,278.70x = 34,891.55 × 14,671.75
  4. Step 4: Simplify right side
    25,278.70x = 511,920,098.71
  5. Step 5: Solve for x
    x = 511,920,098.71/25,278.70
  6. Step 6: Final answer
    x = 20,251.05

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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.