Home / 22,774.60-34,109.40-21,986.56

Finding the Fourth Proportional to 22,774.60, 34,109.40 and 21,986.56

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Solution

The fourth proportional to 22,774.60, 34,109.40 and 21,986.56 is: 32,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,774.60 : 34,109.40 = 21,986.56 : x
  2. Step 2: Convert to fraction form
    22,774.60/34,109.40 = 21,986.56/x
  3. Step 3: Cross multiply
    22,774.60x = 34,109.40 × 21,986.56
  4. Step 4: Simplify right side
    22,774.60x = 749,948,369.66
  5. Step 5: Solve for x
    x = 749,948,369.66/22,774.60
  6. Step 6: Final answer
    x = 32,929.16

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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.