Home / 18,795.74-28,199.14-5,650.11

Finding the Fourth Proportional to 18,795.74, 28,199.14 and 5,650.11

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Solution

The fourth proportional to 18,795.74, 28,199.14 and 5,650.11 is: 8,476.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.74 : 28,199.14 = 5,650.11 : x
  2. Step 2: Convert to fraction form
    18,795.74/28,199.14 = 5,650.11/x
  3. Step 3: Cross multiply
    18,795.74x = 28,199.14 × 5,650.11
  4. Step 4: Simplify right side
    18,795.74x = 159,328,228.78
  5. Step 5: Solve for x
    x = 159,328,228.78/18,795.74
  6. Step 6: Final answer
    x = 8,476.83

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1.5x scale

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.