Home / 15,507.62-23,270.55-5,647.49

Finding the Fourth Proportional to 15,507.62, 23,270.55 and 5,647.49

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Solution

The fourth proportional to 15,507.62, 23,270.55 and 5,647.49 is: 8,474.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,507.62 : 23,270.55 = 5,647.49 : x
  2. Step 2: Convert to fraction form
    15,507.62/23,270.55 = 5,647.49/x
  3. Step 3: Cross multiply
    15,507.62x = 23,270.55 × 5,647.49
  4. Step 4: Simplify right side
    15,507.62x = 131,420,235.42
  5. Step 5: Solve for x
    x = 131,420,235.42/15,507.62
  6. Step 6: Final answer
    x = 8,474.56

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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.