Home / 15,320.79-22,982.60-5,961.51

Finding the Fourth Proportional to 15,320.79, 22,982.60 and 5,961.51

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Solution

The fourth proportional to 15,320.79, 22,982.60 and 5,961.51 is: 8,942.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,320.79 : 22,982.60 = 5,961.51 : x
  2. Step 2: Convert to fraction form
    15,320.79/22,982.60 = 5,961.51/x
  3. Step 3: Cross multiply
    15,320.79x = 22,982.60 × 5,961.51
  4. Step 4: Simplify right side
    15,320.79x = 137,010,999.73
  5. Step 5: Solve for x
    x = 137,010,999.73/15,320.79
  6. Step 6: Final answer
    x = 8,942.82

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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.