Home / 25,175.70-34,744.28-15,103.89

Finding the Fourth Proportional to 25,175.70, 34,744.28 and 15,103.89

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Solution

The fourth proportional to 25,175.70, 34,744.28 and 15,103.89 is: 20,844.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,175.70 : 34,744.28 = 15,103.89 : x
  2. Step 2: Convert to fraction form
    25,175.70/34,744.28 = 15,103.89/x
  3. Step 3: Cross multiply
    25,175.70x = 34,744.28 × 15,103.89
  4. Step 4: Simplify right side
    25,175.70x = 524,773,707.73
  5. Step 5: Solve for x
    x = 524,773,707.73/25,175.70
  6. Step 6: Final answer
    x = 20,844.45

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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.