Home / 13,344.92-18,415.19-7,376.24

Finding the Fourth Proportional to 13,344.92, 18,415.19 and 7,376.24

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Solution

The fourth proportional to 13,344.92, 18,415.19 and 7,376.24 is: 10,178.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.92 : 18,415.19 = 7,376.24 : x
  2. Step 2: Convert to fraction form
    13,344.92/18,415.19 = 7,376.24/x
  3. Step 3: Cross multiply
    13,344.92x = 18,415.19 × 7,376.24
  4. Step 4: Simplify right side
    13,344.92x = 135,834,787.45
  5. Step 5: Solve for x
    x = 135,834,787.45/13,344.92
  6. Step 6: Final answer
    x = 10,178.76

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Double scale
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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.