Home / 22,820.66-34,202.72-12,929.96

Finding the Fourth Proportional to 22,820.66, 34,202.72 and 12,929.96

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Solution

The fourth proportional to 22,820.66, 34,202.72 and 12,929.96 is: 19,378.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,820.66 : 34,202.72 = 12,929.96 : x
  2. Step 2: Convert to fraction form
    22,820.66/34,202.72 = 12,929.96/x
  3. Step 3: Cross multiply
    22,820.66x = 34,202.72 × 12,929.96
  4. Step 4: Simplify right side
    22,820.66x = 442,239,801.49
  5. Step 5: Solve for x
    x = 442,239,801.49/22,820.66
  6. Step 6: Final answer
    x = 19,378.92

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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.