Home / 26,601.38-39,901.96-7,881.54

Finding the Fourth Proportional to 26,601.38, 39,901.96 and 7,881.54

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Solution

The fourth proportional to 26,601.38, 39,901.96 and 7,881.54 is: 11,822.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,601.38 : 39,901.96 = 7,881.54 : x
  2. Step 2: Convert to fraction form
    26,601.38/39,901.96 = 7,881.54/x
  3. Step 3: Cross multiply
    26,601.38x = 39,901.96 × 7,881.54
  4. Step 4: Simplify right side
    26,601.38x = 314,488,754.04
  5. Step 5: Solve for x
    x = 314,488,754.04/26,601.38
  6. Step 6: Final answer
    x = 11,822.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.