Home / 25,168.02-37,752.15-7,638

Finding the Fourth Proportional to 25,168.02, 37,752.15 and 7,638

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Solution

The fourth proportional to 25,168.02, 37,752.15 and 7,638 is: 11,457.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,168.02 : 37,752.15 = 7,638 : x
  2. Step 2: Convert to fraction form
    25,168.02/37,752.15 = 7,638/x
  3. Step 3: Cross multiply
    25,168.02x = 37,752.15 × 7,638
  4. Step 4: Simplify right side
    25,168.02x = 288,350,921.70
  5. Step 5: Solve for x
    x = 288,350,921.70/25,168.02
  6. Step 6: Final answer
    x = 11,457.04

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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.