Home / 12,195.67-18,265.06-10,340.23

Finding the Fourth Proportional to 12,195.67, 18,265.06 and 10,340.23

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Solution

The fourth proportional to 12,195.67, 18,265.06 and 10,340.23 is: 15,486.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195.67 : 18,265.06 = 10,340.23 : x
  2. Step 2: Convert to fraction form
    12,195.67/18,265.06 = 10,340.23/x
  3. Step 3: Cross multiply
    12,195.67x = 18,265.06 × 10,340.23
  4. Step 4: Simplify right side
    12,195.67x = 188,864,921.36
  5. Step 5: Solve for x
    x = 188,864,921.36/12,195.67
  6. Step 6: Final answer
    x = 15,486.23

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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.