Home / 23,136.71-34,700.68-11,278.57

Finding the Fourth Proportional to 23,136.71, 34,700.68 and 11,278.57

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Solution

The fourth proportional to 23,136.71, 34,700.68 and 11,278.57 is: 16,915.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,136.71 : 34,700.68 = 11,278.57 : x
  2. Step 2: Convert to fraction form
    23,136.71/34,700.68 = 11,278.57/x
  3. Step 3: Cross multiply
    23,136.71x = 34,700.68 × 11,278.57
  4. Step 4: Simplify right side
    23,136.71x = 391,373,911.52
  5. Step 5: Solve for x
    x = 391,373,911.52/23,136.71
  6. Step 6: Final answer
    x = 16,915.72

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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.