Home / 18,205.36-27,264.30-10,390.48

Finding the Fourth Proportional to 18,205.36, 27,264.30 and 10,390.48

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Solution

The fourth proportional to 18,205.36, 27,264.30 and 10,390.48 is: 15,560.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205.36 : 27,264.30 = 10,390.48 : x
  2. Step 2: Convert to fraction form
    18,205.36/27,264.30 = 10,390.48/x
  3. Step 3: Cross multiply
    18,205.36x = 27,264.30 × 10,390.48
  4. Step 4: Simplify right side
    18,205.36x = 283,289,163.86
  5. Step 5: Solve for x
    x = 283,289,163.86/18,205.36
  6. Step 6: Final answer
    x = 15,560.76

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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.