Home / 18,730.99-28,096.76-6,251.59

Finding the Fourth Proportional to 18,730.99, 28,096.76 and 6,251.59

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Solution

The fourth proportional to 18,730.99, 28,096.76 and 6,251.59 is: 9,377.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730.99 : 28,096.76 = 6,251.59 : x
  2. Step 2: Convert to fraction form
    18,730.99/28,096.76 = 6,251.59/x
  3. Step 3: Cross multiply
    18,730.99x = 28,096.76 × 6,251.59
  4. Step 4: Simplify right side
    18,730.99x = 175,649,423.85
  5. Step 5: Solve for x
    x = 175,649,423.85/18,730.99
  6. Step 6: Final answer
    x = 9,377.48

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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.