Home / 26,164.08-39,238.80-7,442.64

Finding the Fourth Proportional to 26,164.08, 39,238.80 and 7,442.64

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Solution

The fourth proportional to 26,164.08, 39,238.80 and 7,442.64 is: 11,161.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,164.08 : 39,238.80 = 7,442.64 : x
  2. Step 2: Convert to fraction form
    26,164.08/39,238.80 = 7,442.64/x
  3. Step 3: Cross multiply
    26,164.08x = 39,238.80 × 7,442.64
  4. Step 4: Simplify right side
    26,164.08x = 292,040,262.43
  5. Step 5: Solve for x
    x = 292,040,262.43/26,164.08
  6. Step 6: Final answer
    x = 11,161.88

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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.