Home / 16,749.18-25,120.53-8,426.97

Finding the Fourth Proportional to 16,749.18, 25,120.53 and 8,426.97

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Solution

The fourth proportional to 16,749.18, 25,120.53 and 8,426.97 is: 12,638.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,749.18 : 25,120.53 = 8,426.97 : x
  2. Step 2: Convert to fraction form
    16,749.18/25,120.53 = 8,426.97/x
  3. Step 3: Cross multiply
    16,749.18x = 25,120.53 × 8,426.97
  4. Step 4: Simplify right side
    16,749.18x = 211,689,952.69
  5. Step 5: Solve for x
    x = 211,689,952.69/16,749.18
  6. Step 6: Final answer
    x = 12,638.82

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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.