Home / 13,043.61-17,999.87-7,454.25

Finding the Fourth Proportional to 13,043.61, 17,999.87 and 7,454.25

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Solution

The fourth proportional to 13,043.61, 17,999.87 and 7,454.25 is: 10,286.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.61 : 17,999.87 = 7,454.25 : x
  2. Step 2: Convert to fraction form
    13,043.61/17,999.87 = 7,454.25/x
  3. Step 3: Cross multiply
    13,043.61x = 17,999.87 × 7,454.25
  4. Step 4: Simplify right side
    13,043.61x = 134,175,493.68
  5. Step 5: Solve for x
    x = 134,175,493.68/13,043.61
  6. Step 6: Final answer
    x = 10,286.68

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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.