Home / 18,122.67-25,006.59-10,163.61

Finding the Fourth Proportional to 18,122.67, 25,006.59 and 10,163.61

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Solution

The fourth proportional to 18,122.67, 25,006.59 and 10,163.61 is: 14,024.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122.67 : 25,006.59 = 10,163.61 : x
  2. Step 2: Convert to fraction form
    18,122.67/25,006.59 = 10,163.61/x
  3. Step 3: Cross multiply
    18,122.67x = 25,006.59 × 10,163.61
  4. Step 4: Simplify right side
    18,122.67x = 254,157,228.19
  5. Step 5: Solve for x
    x = 254,157,228.19/18,122.67
  6. Step 6: Final answer
    x = 14,024.27

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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.