Home / 15,951.96-22,013.37-9,238.80

Finding the Fourth Proportional to 15,951.96, 22,013.37 and 9,238.80

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Solution

The fourth proportional to 15,951.96, 22,013.37 and 9,238.80 is: 12,749.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,951.96 : 22,013.37 = 9,238.80 : x
  2. Step 2: Convert to fraction form
    15,951.96/22,013.37 = 9,238.80/x
  3. Step 3: Cross multiply
    15,951.96x = 22,013.37 × 9,238.80
  4. Step 4: Simplify right side
    15,951.96x = 203,377,122.76
  5. Step 5: Solve for x
    x = 203,377,122.76/15,951.96
  6. Step 6: Final answer
    x = 12,749.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.