Home / 18,220.14-25,144.65-10,263.24

Finding the Fourth Proportional to 18,220.14, 25,144.65 and 10,263.24

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Solution

The fourth proportional to 18,220.14, 25,144.65 and 10,263.24 is: 14,163.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.14 : 25,144.65 = 10,263.24 : x
  2. Step 2: Convert to fraction form
    18,220.14/25,144.65 = 10,263.24/x
  3. Step 3: Cross multiply
    18,220.14x = 25,144.65 × 10,263.24
  4. Step 4: Simplify right side
    18,220.14x = 258,065,577.67
  5. Step 5: Solve for x
    x = 258,065,577.67/18,220.14
  6. Step 6: Final answer
    x = 14,163.75

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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.