Home / 22,825.20-34,189.20-18,937.20

Finding the Fourth Proportional to 22,825.20, 34,189.20 and 18,937.20

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Solution

The fourth proportional to 22,825.20, 34,189.20 and 18,937.20 is: 28,365.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,825.20 : 34,189.20 = 18,937.20 : x
  2. Step 2: Convert to fraction form
    22,825.20/34,189.20 = 18,937.20/x
  3. Step 3: Cross multiply
    22,825.20x = 34,189.20 × 18,937.20
  4. Step 4: Simplify right side
    22,825.20x = 647,447,718.24
  5. Step 5: Solve for x
    x = 647,447,718.24/22,825.20
  6. Step 6: Final answer
    x = 28,365.48

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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.