Home / 18,576.18-25,628.10-11,862.12

Finding the Fourth Proportional to 18,576.18, 25,628.10 and 11,862.12

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Solution

The fourth proportional to 18,576.18, 25,628.10 and 11,862.12 is: 16,365.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576.18 : 25,628.10 = 11,862.12 : x
  2. Step 2: Convert to fraction form
    18,576.18/25,628.10 = 11,862.12/x
  3. Step 3: Cross multiply
    18,576.18x = 25,628.10 × 11,862.12
  4. Step 4: Simplify right side
    18,576.18x = 304,003,597.57
  5. Step 5: Solve for x
    x = 304,003,597.57/18,576.18
  6. Step 6: Final answer
    x = 16,365.24

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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.