Home / 12,932.74-19,385.30-7,374.11

Finding the Fourth Proportional to 12,932.74, 19,385.30 and 7,374.11

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Solution

The fourth proportional to 12,932.74, 19,385.30 and 7,374.11 is: 11,053.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932.74 : 19,385.30 = 7,374.11 : x
  2. Step 2: Convert to fraction form
    12,932.74/19,385.30 = 7,374.11/x
  3. Step 3: Cross multiply
    12,932.74x = 19,385.30 × 7,374.11
  4. Step 4: Simplify right side
    12,932.74x = 142,949,334.58
  5. Step 5: Solve for x
    x = 142,949,334.58/12,932.74
  6. Step 6: Final answer
    x = 11,053.29

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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.