Home / 19,236.96-28,869.12-7,550.18

Finding the Fourth Proportional to 19,236.96, 28,869.12 and 7,550.18

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Solution

The fourth proportional to 19,236.96, 28,869.12 and 7,550.18 is: 11,330.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,236.96 : 28,869.12 = 7,550.18 : x
  2. Step 2: Convert to fraction form
    19,236.96/28,869.12 = 7,550.18/x
  3. Step 3: Cross multiply
    19,236.96x = 28,869.12 × 7,550.18
  4. Step 4: Simplify right side
    19,236.96x = 217,967,052.44
  5. Step 5: Solve for x
    x = 217,967,052.44/19,236.96
  6. Step 6: Final answer
    x = 11,330.64

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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.