Home / 13,042.41-17,999.28-7,377.66

Finding the Fourth Proportional to 13,042.41, 17,999.28 and 7,377.66

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Solution

The fourth proportional to 13,042.41, 17,999.28 and 7,377.66 is: 10,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042.41 : 17,999.28 = 7,377.66 : x
  2. Step 2: Convert to fraction form
    13,042.41/17,999.28 = 7,377.66/x
  3. Step 3: Cross multiply
    13,042.41x = 17,999.28 × 7,377.66
  4. Step 4: Simplify right side
    13,042.41x = 132,792,568.08
  5. Step 5: Solve for x
    x = 132,792,568.08/13,042.41
  6. Step 6: Final answer
    x = 10,181.60

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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.