Home / 25,623.74-35,352.55-20,229.14

Finding the Fourth Proportional to 25,623.74, 35,352.55 and 20,229.14

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Solution

The fourth proportional to 25,623.74, 35,352.55 and 20,229.14 is: 27,909.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,623.74 : 35,352.55 = 20,229.14 : x
  2. Step 2: Convert to fraction form
    25,623.74/35,352.55 = 20,229.14/x
  3. Step 3: Cross multiply
    25,623.74x = 35,352.55 × 20,229.14
  4. Step 4: Simplify right side
    25,623.74x = 715,151,796.97
  5. Step 5: Solve for x
    x = 715,151,796.97/25,623.74
  6. Step 6: Final answer
    x = 27,909.73

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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.