Home / 15,012.53-22,513.40-5,149.25

Finding the Fourth Proportional to 15,012.53, 22,513.40 and 5,149.25

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Solution

The fourth proportional to 15,012.53, 22,513.40 and 5,149.25 is: 7,722.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,012.53 : 22,513.40 = 5,149.25 : x
  2. Step 2: Convert to fraction form
    15,012.53/22,513.40 = 5,149.25/x
  3. Step 3: Cross multiply
    15,012.53x = 22,513.40 × 5,149.25
  4. Step 4: Simplify right side
    15,012.53x = 115,927,099.20
  5. Step 5: Solve for x
    x = 115,927,099.20/15,012.53
  6. Step 6: Final answer
    x = 7,722.02

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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.