Home / 18,222.05-25,146.56-10,263.53

Finding the Fourth Proportional to 18,222.05, 25,146.56 and 10,263.53

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Solution

The fourth proportional to 18,222.05, 25,146.56 and 10,263.53 is: 14,163.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,222.05 : 25,146.56 = 10,263.53 : x
  2. Step 2: Convert to fraction form
    18,222.05/25,146.56 = 10,263.53/x
  3. Step 3: Cross multiply
    18,222.05x = 25,146.56 × 10,263.53
  4. Step 4: Simplify right side
    18,222.05x = 258,092,372.88
  5. Step 5: Solve for x
    x = 258,092,372.88/18,222.05
  6. Step 6: Final answer
    x = 14,163.74

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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.