Home / 23,136.68-34,700.65-11,278.55

Finding the Fourth Proportional to 23,136.68, 34,700.65 and 11,278.55

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Solution

The fourth proportional to 23,136.68, 34,700.65 and 11,278.55 is: 16,915.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,136.68 : 34,700.65 = 11,278.55 : x
  2. Step 2: Convert to fraction form
    23,136.68/34,700.65 = 11,278.55/x
  3. Step 3: Cross multiply
    23,136.68x = 34,700.65 × 11,278.55
  4. Step 4: Simplify right side
    23,136.68x = 391,373,074.61
  5. Step 5: Solve for x
    x = 391,373,074.61/23,136.68
  6. Step 6: Final answer
    x = 16,915.70

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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.