Home / 19,908.65-29,867.59-6,761.03

Finding the Fourth Proportional to 19,908.65, 29,867.59 and 6,761.03

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Solution

The fourth proportional to 19,908.65, 29,867.59 and 6,761.03 is: 10,143.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,908.65 : 29,867.59 = 6,761.03 : x
  2. Step 2: Convert to fraction form
    19,908.65/29,867.59 = 6,761.03/x
  3. Step 3: Cross multiply
    19,908.65x = 29,867.59 × 6,761.03
  4. Step 4: Simplify right side
    19,908.65x = 201,935,672.02
  5. Step 5: Solve for x
    x = 201,935,672.02/19,908.65
  6. Step 6: Final answer
    x = 10,143.11

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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.