Home / 25,433.14-38,171.58-22,130.78

Finding the Fourth Proportional to 25,433.14, 38,171.58 and 22,130.78

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Solution

The fourth proportional to 25,433.14, 38,171.58 and 22,130.78 is: 33,215.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,433.14 : 38,171.58 = 22,130.78 : x
  2. Step 2: Convert to fraction form
    25,433.14/38,171.58 = 22,130.78/x
  3. Step 3: Cross multiply
    25,433.14x = 38,171.58 × 22,130.78
  4. Step 4: Simplify right side
    25,433.14x = 844,766,839.23
  5. Step 5: Solve for x
    x = 844,766,839.23/25,433.14
  6. Step 6: Final answer
    x = 33,215.20

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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.