Home / 18,346.76-25,318.14-9,963.26

Finding the Fourth Proportional to 18,346.76, 25,318.14 and 9,963.26

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Solution

The fourth proportional to 18,346.76, 25,318.14 and 9,963.26 is: 13,749.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346.76 : 25,318.14 = 9,963.26 : x
  2. Step 2: Convert to fraction form
    18,346.76/25,318.14 = 9,963.26/x
  3. Step 3: Cross multiply
    18,346.76x = 25,318.14 × 9,963.26
  4. Step 4: Simplify right side
    18,346.76x = 252,251,211.54
  5. Step 5: Solve for x
    x = 252,251,211.54/18,346.76
  6. Step 6: Final answer
    x = 13,749.09

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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.