Home / 15,979.50-23,974.20-5,591.34

Finding the Fourth Proportional to 15,979.50, 23,974.20 and 5,591.34

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Solution

The fourth proportional to 15,979.50, 23,974.20 and 5,591.34 is: 8,388.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979.50 : 23,974.20 = 5,591.34 : x
  2. Step 2: Convert to fraction form
    15,979.50/23,974.20 = 5,591.34/x
  3. Step 3: Cross multiply
    15,979.50x = 23,974.20 × 5,591.34
  4. Step 4: Simplify right side
    15,979.50x = 134,047,903.43
  5. Step 5: Solve for x
    x = 134,047,903.43/15,979.50
  6. Step 6: Final answer
    x = 8,388.74

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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.