Home / 15,836.16-23,747.22-8,439.24

Finding the Fourth Proportional to 15,836.16, 23,747.22 and 8,439.24

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Solution

The fourth proportional to 15,836.16, 23,747.22 and 8,439.24 is: 12,655.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,836.16 : 23,747.22 = 8,439.24 : x
  2. Step 2: Convert to fraction form
    15,836.16/23,747.22 = 8,439.24/x
  3. Step 3: Cross multiply
    15,836.16x = 23,747.22 × 8,439.24
  4. Step 4: Simplify right side
    15,836.16x = 200,408,488.91
  5. Step 5: Solve for x
    x = 200,408,488.91/15,836.16
  6. Step 6: Final answer
    x = 12,655.12

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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.