Home / 23,512.80-35,223.02-13,631.30

Finding the Fourth Proportional to 23,512.80, 35,223.02 and 13,631.30

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Solution

The fourth proportional to 23,512.80, 35,223.02 and 13,631.30 is: 20,420.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,512.80 : 35,223.02 = 13,631.30 : x
  2. Step 2: Convert to fraction form
    23,512.80/35,223.02 = 13,631.30/x
  3. Step 3: Cross multiply
    23,512.80x = 35,223.02 × 13,631.30
  4. Step 4: Simplify right side
    23,512.80x = 480,135,552.53
  5. Step 5: Solve for x
    x = 480,135,552.53/23,512.80
  6. Step 6: Final answer
    x = 20,420.18

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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.