Home / 15,472.62-23,209.83-4,378.38

Finding the Fourth Proportional to 15,472.62, 23,209.83 and 4,378.38

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Solution

The fourth proportional to 15,472.62, 23,209.83 and 4,378.38 is: 6,567.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,472.62 : 23,209.83 = 4,378.38 : x
  2. Step 2: Convert to fraction form
    15,472.62/23,209.83 = 4,378.38/x
  3. Step 3: Cross multiply
    15,472.62x = 23,209.83 × 4,378.38
  4. Step 4: Simplify right side
    15,472.62x = 101,621,525.48
  5. Step 5: Solve for x
    x = 101,621,525.48/15,472.62
  6. Step 6: Final answer
    x = 6,567.83

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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.