Home / 18,579.60-27,869.40-6,101.55

Finding the Fourth Proportional to 18,579.60, 27,869.40 and 6,101.55

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Solution

The fourth proportional to 18,579.60, 27,869.40 and 6,101.55 is: 9,152.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.60 : 27,869.40 = 6,101.55 : x
  2. Step 2: Convert to fraction form
    18,579.60/27,869.40 = 6,101.55/x
  3. Step 3: Cross multiply
    18,579.60x = 27,869.40 × 6,101.55
  4. Step 4: Simplify right side
    18,579.60x = 170,046,537.57
  5. Step 5: Solve for x
    x = 170,046,537.57/18,579.60
  6. Step 6: Final answer
    x = 9,152.33

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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.