Home / 13,043.44-17,998.16-7,378.96

Finding the Fourth Proportional to 13,043.44, 17,998.16 and 7,378.96

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Solution

The fourth proportional to 13,043.44, 17,998.16 and 7,378.96 is: 10,181.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.44 : 17,998.16 = 7,378.96 : x
  2. Step 2: Convert to fraction form
    13,043.44/17,998.16 = 7,378.96/x
  3. Step 3: Cross multiply
    13,043.44x = 17,998.16 × 7,378.96
  4. Step 4: Simplify right side
    13,043.44x = 132,807,702.71
  5. Step 5: Solve for x
    x = 132,807,702.71/13,043.44
  6. Step 6: Final answer
    x = 10,181.95

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Double scale
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Similar ratio
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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.