Home / 15,136.90-22,708.96-4,748.64

Finding the Fourth Proportional to 15,136.90, 22,708.96 and 4,748.64

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Solution

The fourth proportional to 15,136.90, 22,708.96 and 4,748.64 is: 7,124.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136.90 : 22,708.96 = 4,748.64 : x
  2. Step 2: Convert to fraction form
    15,136.90/22,708.96 = 4,748.64/x
  3. Step 3: Cross multiply
    15,136.90x = 22,708.96 × 4,748.64
  4. Step 4: Simplify right side
    15,136.90x = 107,836,675.81
  5. Step 5: Solve for x
    x = 107,836,675.81/15,136.90
  6. Step 6: Final answer
    x = 7,124.09

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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.