Home / 13,230.03-18,257.66-7,262.25

Finding the Fourth Proportional to 13,230.03, 18,257.66 and 7,262.25

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Solution

The fourth proportional to 13,230.03, 18,257.66 and 7,262.25 is: 10,022.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.03 : 18,257.66 = 7,262.25 : x
  2. Step 2: Convert to fraction form
    13,230.03/18,257.66 = 7,262.25/x
  3. Step 3: Cross multiply
    13,230.03x = 18,257.66 × 7,262.25
  4. Step 4: Simplify right side
    13,230.03x = 132,591,655.02
  5. Step 5: Solve for x
    x = 132,591,655.02/13,230.03
  6. Step 6: Final answer
    x = 10,022.02

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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.