Home / 25,659.56-38,694.53-25,308.70

Finding the Fourth Proportional to 25,659.56, 38,694.53 and 25,308.70

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Solution

The fourth proportional to 25,659.56, 38,694.53 and 25,308.70 is: 38,165.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,659.56 : 38,694.53 = 25,308.70 : x
  2. Step 2: Convert to fraction form
    25,659.56/38,694.53 = 25,308.70/x
  3. Step 3: Cross multiply
    25,659.56x = 38,694.53 × 25,308.70
  4. Step 4: Simplify right side
    25,659.56x = 979,308,217.95
  5. Step 5: Solve for x
    x = 979,308,217.95/25,659.56
  6. Step 6: Final answer
    x = 38,165.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.