Home / 26,108.82-39,164.13-8,580.02

Finding the Fourth Proportional to 26,108.82, 39,164.13 and 8,580.02

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Solution

The fourth proportional to 26,108.82, 39,164.13 and 8,580.02 is: 12,870.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,108.82 : 39,164.13 = 8,580.02 : x
  2. Step 2: Convert to fraction form
    26,108.82/39,164.13 = 8,580.02/x
  3. Step 3: Cross multiply
    26,108.82x = 39,164.13 × 8,580.02
  4. Step 4: Simplify right side
    26,108.82x = 336,028,822.86
  5. Step 5: Solve for x
    x = 336,028,822.86/26,108.82
  6. Step 6: Final answer
    x = 12,870.32

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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.