Home / 19,217.61-28,826.42-5,366.25

Finding the Fourth Proportional to 19,217.61, 28,826.42 and 5,366.25

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Solution

The fourth proportional to 19,217.61, 28,826.42 and 5,366.25 is: 8,049.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217.61 : 28,826.42 = 5,366.25 : x
  2. Step 2: Convert to fraction form
    19,217.61/28,826.42 = 5,366.25/x
  3. Step 3: Cross multiply
    19,217.61x = 28,826.42 × 5,366.25
  4. Step 4: Simplify right side
    19,217.61x = 154,689,749.49
  5. Step 5: Solve for x
    x = 154,689,749.49/19,217.61
  6. Step 6: Final answer
    x = 8,049.38

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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.