Home / 25,138.88-34,679.68-15,062.48

Finding the Fourth Proportional to 25,138.88, 34,679.68 and 15,062.48

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Solution

The fourth proportional to 25,138.88, 34,679.68 and 15,062.48 is: 20,779.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,138.88 : 34,679.68 = 15,062.48 : x
  2. Step 2: Convert to fraction form
    25,138.88/34,679.68 = 15,062.48/x
  3. Step 3: Cross multiply
    25,138.88x = 34,679.68 × 15,062.48
  4. Step 4: Simplify right side
    25,138.88x = 522,361,986.41
  5. Step 5: Solve for x
    x = 522,361,986.41/25,138.88
  6. Step 6: Final answer
    x = 20,779.05

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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.