Home / 22,929.76-34,398.54-8,135.56

Finding the Fourth Proportional to 22,929.76, 34,398.54 and 8,135.56

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Solution

The fourth proportional to 22,929.76, 34,398.54 and 8,135.56 is: 12,204.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,929.76 : 34,398.54 = 8,135.56 : x
  2. Step 2: Convert to fraction form
    22,929.76/34,398.54 = 8,135.56/x
  3. Step 3: Cross multiply
    22,929.76x = 34,398.54 × 8,135.56
  4. Step 4: Simplify right side
    22,929.76x = 279,851,386.08
  5. Step 5: Solve for x
    x = 279,851,386.08/22,929.76
  6. Step 6: Final answer
    x = 12,204.72

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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.