Home / 18,742.95-28,113.98-6,092.69

Finding the Fourth Proportional to 18,742.95, 28,113.98 and 6,092.69

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Solution

The fourth proportional to 18,742.95, 28,113.98 and 6,092.69 is: 9,138.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742.95 : 28,113.98 = 6,092.69 : x
  2. Step 2: Convert to fraction form
    18,742.95/28,113.98 = 6,092.69/x
  3. Step 3: Cross multiply
    18,742.95x = 28,113.98 × 6,092.69
  4. Step 4: Simplify right side
    18,742.95x = 171,289,734.34
  5. Step 5: Solve for x
    x = 171,289,734.34/18,742.95
  6. Step 6: Final answer
    x = 9,138.89

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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.