Home / 25,948.56-38,908.89-8,175.90

Finding the Fourth Proportional to 25,948.56, 38,908.89 and 8,175.90

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Solution

The fourth proportional to 25,948.56, 38,908.89 and 8,175.90 is: 12,259.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,948.56 : 38,908.89 = 8,175.90 : x
  2. Step 2: Convert to fraction form
    25,948.56/38,908.89 = 8,175.90/x
  3. Step 3: Cross multiply
    25,948.56x = 38,908.89 × 8,175.90
  4. Step 4: Simplify right side
    25,948.56x = 318,115,193.75
  5. Step 5: Solve for x
    x = 318,115,193.75/25,948.56
  6. Step 6: Final answer
    x = 12,259.45

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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.