Home / 24,778.51-34,181.42-15,220.55

Finding the Fourth Proportional to 24,778.51, 34,181.42 and 15,220.55

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Solution

The fourth proportional to 24,778.51, 34,181.42 and 15,220.55 is: 20,996.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,778.51 : 34,181.42 = 15,220.55 : x
  2. Step 2: Convert to fraction form
    24,778.51/34,181.42 = 15,220.55/x
  3. Step 3: Cross multiply
    24,778.51x = 34,181.42 × 15,220.55
  4. Step 4: Simplify right side
    24,778.51x = 520,260,136.62
  5. Step 5: Solve for x
    x = 520,260,136.62/24,778.51
  6. Step 6: Final answer
    x = 20,996.42

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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.