Home / 22,717.35-34,090.20-8,678.63

Finding the Fourth Proportional to 22,717.35, 34,090.20 and 8,678.63

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Solution

The fourth proportional to 22,717.35, 34,090.20 and 8,678.63 is: 13,023.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,717.35 : 34,090.20 = 8,678.63 : x
  2. Step 2: Convert to fraction form
    22,717.35/34,090.20 = 8,678.63/x
  3. Step 3: Cross multiply
    22,717.35x = 34,090.20 × 8,678.63
  4. Step 4: Simplify right side
    22,717.35x = 295,856,317.65
  5. Step 5: Solve for x
    x = 295,856,317.65/22,717.35
  6. Step 6: Final answer
    x = 13,023.36

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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.