Home / 26,218.38-36,181.44-15,607.92

Finding the Fourth Proportional to 26,218.38, 36,181.44 and 15,607.92

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Solution

The fourth proportional to 26,218.38, 36,181.44 and 15,607.92 is: 21,538.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,218.38 : 36,181.44 = 15,607.92 : x
  2. Step 2: Convert to fraction form
    26,218.38/36,181.44 = 15,607.92/x
  3. Step 3: Cross multiply
    26,218.38x = 36,181.44 × 15,607.92
  4. Step 4: Simplify right side
    26,218.38x = 564,717,021.00
  5. Step 5: Solve for x
    x = 564,717,021.00/26,218.38
  6. Step 6: Final answer
    x = 21,538.97

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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.