Home / 25,092.36-34,630.20-15,019.74

Finding the Fourth Proportional to 25,092.36, 34,630.20 and 15,019.74

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Solution

The fourth proportional to 25,092.36, 34,630.20 and 15,019.74 is: 20,728.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,092.36 : 34,630.20 = 15,019.74 : x
  2. Step 2: Convert to fraction form
    25,092.36/34,630.20 = 15,019.74/x
  3. Step 3: Cross multiply
    25,092.36x = 34,630.20 × 15,019.74
  4. Step 4: Simplify right side
    25,092.36x = 520,136,600.15
  5. Step 5: Solve for x
    x = 520,136,600.15/25,092.36
  6. Step 6: Final answer
    x = 20,728.88

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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.