Home / 15,747.45-23,622.43-5,217.05

Finding the Fourth Proportional to 15,747.45, 23,622.43 and 5,217.05

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Solution

The fourth proportional to 15,747.45, 23,622.43 and 5,217.05 is: 7,825.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,747.45 : 23,622.43 = 5,217.05 : x
  2. Step 2: Convert to fraction form
    15,747.45/23,622.43 = 5,217.05/x
  3. Step 3: Cross multiply
    15,747.45x = 23,622.43 × 5,217.05
  4. Step 4: Simplify right side
    15,747.45x = 123,239,280.32
  5. Step 5: Solve for x
    x = 123,239,280.32/15,747.45
  6. Step 6: Final answer
    x = 7,825.98

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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.