Home / 13,231.04-19,836.69-5,726.66

Finding the Fourth Proportional to 13,231.04, 19,836.69 and 5,726.66

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Solution

The fourth proportional to 13,231.04, 19,836.69 and 5,726.66 is: 8,585.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.04 : 19,836.69 = 5,726.66 : x
  2. Step 2: Convert to fraction form
    13,231.04/19,836.69 = 5,726.66/x
  3. Step 3: Cross multiply
    13,231.04x = 19,836.69 × 5,726.66
  4. Step 4: Simplify right side
    13,231.04x = 113,597,979.16
  5. Step 5: Solve for x
    x = 113,597,979.16/13,231.04
  6. Step 6: Final answer
    x = 8,585.72

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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.