Home / 25,733.12-35,520.46-15,125.90

Finding the Fourth Proportional to 25,733.12, 35,520.46 and 15,125.90

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Solution

The fourth proportional to 25,733.12, 35,520.46 and 15,125.90 is: 20,878.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,733.12 : 35,520.46 = 15,125.90 : x
  2. Step 2: Convert to fraction form
    25,733.12/35,520.46 = 15,125.90/x
  3. Step 3: Cross multiply
    25,733.12x = 35,520.46 × 15,125.90
  4. Step 4: Simplify right side
    25,733.12x = 537,278,748.31
  5. Step 5: Solve for x
    x = 537,278,748.31/25,733.12
  6. Step 6: Final answer
    x = 20,878.88

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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.