Home / 13,241.57-18,272.47-7,273.49

Finding the Fourth Proportional to 13,241.57, 18,272.47 and 7,273.49

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Solution

The fourth proportional to 13,241.57, 18,272.47 and 7,273.49 is: 10,036.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.57 : 18,272.47 = 7,273.49 : x
  2. Step 2: Convert to fraction form
    13,241.57/18,272.47 = 7,273.49/x
  3. Step 3: Cross multiply
    13,241.57x = 18,272.47 × 7,273.49
  4. Step 4: Simplify right side
    13,241.57x = 132,904,591.45
  5. Step 5: Solve for x
    x = 132,904,591.45/13,241.57
  6. Step 6: Final answer
    x = 10,036.92

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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.