Home / 15,949.96-22,010.62-9,236.78

Finding the Fourth Proportional to 15,949.96, 22,010.62 and 9,236.78

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Solution

The fourth proportional to 15,949.96, 22,010.62 and 9,236.78 is: 12,746.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,949.96 : 22,010.62 = 9,236.78 : x
  2. Step 2: Convert to fraction form
    15,949.96/22,010.62 = 9,236.78/x
  3. Step 3: Cross multiply
    15,949.96x = 22,010.62 × 9,236.78
  4. Step 4: Simplify right side
    15,949.96x = 203,307,254.60
  5. Step 5: Solve for x
    x = 203,307,254.60/15,949.96
  6. Step 6: Final answer
    x = 12,746.57

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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.