Home / 24,520.72-36,781.42-6,990.55

Finding the Fourth Proportional to 24,520.72, 36,781.42 and 6,990.55

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Solution

The fourth proportional to 24,520.72, 36,781.42 and 6,990.55 is: 10,485.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,520.72 : 36,781.42 = 6,990.55 : x
  2. Step 2: Convert to fraction form
    24,520.72/36,781.42 = 6,990.55/x
  3. Step 3: Cross multiply
    24,520.72x = 36,781.42 × 6,990.55
  4. Step 4: Simplify right side
    24,520.72x = 257,122,171.67
  5. Step 5: Solve for x
    x = 257,122,171.67/24,520.72
  6. Step 6: Final answer
    x = 10,485.91

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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.