Home / 25,028.72-34,355.65-22,132.64

Finding the Fourth Proportional to 25,028.72, 34,355.65 and 22,132.64

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Solution

The fourth proportional to 25,028.72, 34,355.65 and 22,132.64 is: 30,380.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,028.72 : 34,355.65 = 22,132.64 : x
  2. Step 2: Convert to fraction form
    25,028.72/34,355.65 = 22,132.64/x
  3. Step 3: Cross multiply
    25,028.72x = 34,355.65 × 22,132.64
  4. Step 4: Simplify right side
    25,028.72x = 760,381,233.42
  5. Step 5: Solve for x
    x = 760,381,233.42/25,028.72
  6. Step 6: Final answer
    x = 30,380.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.