Home / 12,022.39-17,998.08-8,881.54

Finding the Fourth Proportional to 12,022.39, 17,998.08 and 8,881.54

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Solution

The fourth proportional to 12,022.39, 17,998.08 and 8,881.54 is: 13,296.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.39 : 17,998.08 = 8,881.54 : x
  2. Step 2: Convert to fraction form
    12,022.39/17,998.08 = 8,881.54/x
  3. Step 3: Cross multiply
    12,022.39x = 17,998.08 × 8,881.54
  4. Step 4: Simplify right side
    12,022.39x = 159,850,667.44
  5. Step 5: Solve for x
    x = 159,850,667.44/12,022.39
  6. Step 6: Final answer
    x = 13,296.08

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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.