Home / 22,037.76-30,398.26-13,078.92

Finding the Fourth Proportional to 22,037.76, 30,398.26 and 13,078.92

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Solution

The fourth proportional to 22,037.76, 30,398.26 and 13,078.92 is: 18,040.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,037.76 : 30,398.26 = 13,078.92 : x
  2. Step 2: Convert to fraction form
    22,037.76/30,398.26 = 13,078.92/x
  3. Step 3: Cross multiply
    22,037.76x = 30,398.26 × 13,078.92
  4. Step 4: Simplify right side
    22,037.76x = 397,576,410.68
  5. Step 5: Solve for x
    x = 397,576,410.68/22,037.76
  6. Step 6: Final answer
    x = 18,040.69

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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.