Home / 25,176.15-34,734.44-15,612.60

Finding the Fourth Proportional to 25,176.15, 34,734.44 and 15,612.60

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Solution

The fourth proportional to 25,176.15, 34,734.44 and 15,612.60 is: 21,540.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,176.15 : 34,734.44 = 15,612.60 : x
  2. Step 2: Convert to fraction form
    25,176.15/34,734.44 = 15,612.60/x
  3. Step 3: Cross multiply
    25,176.15x = 34,734.44 × 15,612.60
  4. Step 4: Simplify right side
    25,176.15x = 542,294,839.88
  5. Step 5: Solve for x
    x = 542,294,839.88/25,176.15
  6. Step 6: Final answer
    x = 21,540.02

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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.