Home / 45,009.14-67,513.73-11,729.12

Finding the Fourth Proportional to 45,009.14, 67,513.73 and 11,729.12

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Solution

The fourth proportional to 45,009.14, 67,513.73 and 11,729.12 is: 17,593.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,009.14 : 67,513.73 = 11,729.12 : x
  2. Step 2: Convert to fraction form
    45,009.14/67,513.73 = 11,729.12/x
  3. Step 3: Cross multiply
    45,009.14x = 67,513.73 × 11,729.12
  4. Step 4: Simplify right side
    45,009.14x = 791,876,244.60
  5. Step 5: Solve for x
    x = 791,876,244.60/45,009.14
  6. Step 6: Final answer
    x = 17,593.68

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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.