Home / 12,726.60-19,097.33-5,330.43

Finding the Fourth Proportional to 12,726.60, 19,097.33 and 5,330.43

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Solution

The fourth proportional to 12,726.60, 19,097.33 and 5,330.43 is: 7,998.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.60 : 19,097.33 = 5,330.43 : x
  2. Step 2: Convert to fraction form
    12,726.60/19,097.33 = 5,330.43/x
  3. Step 3: Cross multiply
    12,726.60x = 19,097.33 × 5,330.43
  4. Step 4: Simplify right side
    12,726.60x = 101,796,980.75
  5. Step 5: Solve for x
    x = 101,796,980.75/12,726.60
  6. Step 6: Final answer
    x = 7,998.76

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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.