Home / 19,839.74-29,760.35-7,362.90

Finding the Fourth Proportional to 19,839.74, 29,760.35 and 7,362.90

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Solution

The fourth proportional to 19,839.74, 29,760.35 and 7,362.90 is: 11,044.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.74 : 29,760.35 = 7,362.90 : x
  2. Step 2: Convert to fraction form
    19,839.74/29,760.35 = 7,362.90/x
  3. Step 3: Cross multiply
    19,839.74x = 29,760.35 × 7,362.90
  4. Step 4: Simplify right side
    19,839.74x = 219,122,444.20
  5. Step 5: Solve for x
    x = 219,122,444.20/19,839.74
  6. Step 6: Final answer
    x = 11,044.63

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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.