Home / 15,499.50-23,249.52-5,512.20

Finding the Fourth Proportional to 15,499.50, 23,249.52 and 5,512.20

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Solution

The fourth proportional to 15,499.50, 23,249.52 and 5,512.20 is: 8,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,499.50 : 23,249.52 = 5,512.20 : x
  2. Step 2: Convert to fraction form
    15,499.50/23,249.52 = 5,512.20/x
  3. Step 3: Cross multiply
    15,499.50x = 23,249.52 × 5,512.20
  4. Step 4: Simplify right side
    15,499.50x = 128,156,004.14
  5. Step 5: Solve for x
    x = 128,156,004.14/15,499.50
  6. Step 6: Final answer
    x = 8,268.40

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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.