Home / 18,926.46-28,394.12-5,778.83

Finding the Fourth Proportional to 18,926.46, 28,394.12 and 5,778.83

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Solution

The fourth proportional to 18,926.46, 28,394.12 and 5,778.83 is: 8,669.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,926.46 : 28,394.12 = 5,778.83 : x
  2. Step 2: Convert to fraction form
    18,926.46/28,394.12 = 5,778.83/x
  3. Step 3: Cross multiply
    18,926.46x = 28,394.12 × 5,778.83
  4. Step 4: Simplify right side
    18,926.46x = 164,084,621.61
  5. Step 5: Solve for x
    x = 164,084,621.61/18,926.46
  6. Step 6: Final answer
    x = 8,669.59

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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.