Home / 26,317.86-39,475.17-8,786.22

Finding the Fourth Proportional to 26,317.86, 39,475.17 and 8,786.22

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Solution

The fourth proportional to 26,317.86, 39,475.17 and 8,786.22 is: 13,178.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,317.86 : 39,475.17 = 8,786.22 : x
  2. Step 2: Convert to fraction form
    26,317.86/39,475.17 = 8,786.22/x
  3. Step 3: Cross multiply
    26,317.86x = 39,475.17 × 8,786.22
  4. Step 4: Simplify right side
    26,317.86x = 346,837,528.16
  5. Step 5: Solve for x
    x = 346,837,528.16/26,317.86
  6. Step 6: Final answer
    x = 13,178.79

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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.