Home / 24,763.72-34,136.22-20,972.92

Finding the Fourth Proportional to 24,763.72, 34,136.22 and 20,972.92

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Solution

The fourth proportional to 24,763.72, 34,136.22 and 20,972.92 is: 28,910.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,763.72 : 34,136.22 = 20,972.92 : x
  2. Step 2: Convert to fraction form
    24,763.72/34,136.22 = 20,972.92/x
  3. Step 3: Cross multiply
    24,763.72x = 34,136.22 × 20,972.92
  4. Step 4: Simplify right side
    24,763.72x = 715,936,211.16
  5. Step 5: Solve for x
    x = 715,936,211.16/24,763.72
  6. Step 6: Final answer
    x = 28,910.69

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Double scale
Find fourth proportional to 24,764.72, 34,137.60 and 20,973.92
Similar ratio
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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.