Home / 13,241.10-18,254.87-11,344.49

Finding the Fourth Proportional to 13,241.10, 18,254.87 and 11,344.49

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Solution

The fourth proportional to 13,241.10, 18,254.87 and 11,344.49 is: 15,640.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.10 : 18,254.87 = 11,344.49 : x
  2. Step 2: Convert to fraction form
    13,241.10/18,254.87 = 11,344.49/x
  3. Step 3: Cross multiply
    13,241.10x = 18,254.87 × 11,344.49
  4. Step 4: Simplify right side
    13,241.10x = 207,092,153.17
  5. Step 5: Solve for x
    x = 207,092,153.17/13,241.10
  6. Step 6: Final answer
    x = 15,640.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.