Home / 15,136.71-22,708.91-4,748.55

Finding the Fourth Proportional to 15,136.71, 22,708.91 and 4,748.55

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Solution

The fourth proportional to 15,136.71, 22,708.91 and 4,748.55 is: 7,124.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136.71 : 22,708.91 = 4,748.55 : x
  2. Step 2: Convert to fraction form
    15,136.71/22,708.91 = 4,748.55/x
  3. Step 3: Cross multiply
    15,136.71x = 22,708.91 × 4,748.55
  4. Step 4: Simplify right side
    15,136.71x = 107,834,370.84
  5. Step 5: Solve for x
    x = 107,834,370.84/15,136.71
  6. Step 6: Final answer
    x = 7,124.03

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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.