Home / 13,962.60-20,943.69-4,101.51

Finding the Fourth Proportional to 13,962.60, 20,943.69 and 4,101.51

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Solution

The fourth proportional to 13,962.60, 20,943.69 and 4,101.51 is: 6,152.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.60 : 20,943.69 = 4,101.51 : x
  2. Step 2: Convert to fraction form
    13,962.60/20,943.69 = 4,101.51/x
  3. Step 3: Cross multiply
    13,962.60x = 20,943.69 × 4,101.51
  4. Step 4: Simplify right side
    13,962.60x = 85,900,753.97
  5. Step 5: Solve for x
    x = 85,900,753.97/13,962.60
  6. Step 6: Final answer
    x = 6,152.20

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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.