Home / 15,136.88-22,708.96-4,748.63

Finding the Fourth Proportional to 15,136.88, 22,708.96 and 4,748.63

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Solution

The fourth proportional to 15,136.88, 22,708.96 and 4,748.63 is: 7,124.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136.88 : 22,708.96 = 4,748.63 : x
  2. Step 2: Convert to fraction form
    15,136.88/22,708.96 = 4,748.63/x
  3. Step 3: Cross multiply
    15,136.88x = 22,708.96 × 4,748.63
  4. Step 4: Simplify right side
    15,136.88x = 107,836,323.31
  5. Step 5: Solve for x
    x = 107,836,323.31/15,136.88
  6. Step 6: Final answer
    x = 7,124.08

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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.