Home / 18,572.15-27,862.33-6,885.37

Finding the Fourth Proportional to 18,572.15, 27,862.33 and 6,885.37

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Solution

The fourth proportional to 18,572.15, 27,862.33 and 6,885.37 is: 10,329.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572.15 : 27,862.33 = 6,885.37 : x
  2. Step 2: Convert to fraction form
    18,572.15/27,862.33 = 6,885.37/x
  3. Step 3: Cross multiply
    18,572.15x = 27,862.33 × 6,885.37
  4. Step 4: Simplify right side
    18,572.15x = 191,842,520.77
  5. Step 5: Solve for x
    x = 191,842,520.77/18,572.15
  6. Step 6: Final answer
    x = 10,329.58

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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.