Home / 17,772.60-26,660.51-13,149.93

Finding the Fourth Proportional to 17,772.60, 26,660.51 and 13,149.93

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Solution

The fourth proportional to 17,772.60, 26,660.51 and 13,149.93 is: 19,726.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,772.60 : 26,660.51 = 13,149.93 : x
  2. Step 2: Convert to fraction form
    17,772.60/26,660.51 = 13,149.93/x
  3. Step 3: Cross multiply
    17,772.60x = 26,660.51 × 13,149.93
  4. Step 4: Simplify right side
    17,772.60x = 350,583,873.14
  5. Step 5: Solve for x
    x = 350,583,873.14/17,772.60
  6. Step 6: Final answer
    x = 19,726.09

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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.