Home / 18,267.84-25,205.22-11,097.55

Finding the Fourth Proportional to 18,267.84, 25,205.22 and 11,097.55

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Solution

The fourth proportional to 18,267.84, 25,205.22 and 11,097.55 is: 15,311.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267.84 : 25,205.22 = 11,097.55 : x
  2. Step 2: Convert to fraction form
    18,267.84/25,205.22 = 11,097.55/x
  3. Step 3: Cross multiply
    18,267.84x = 25,205.22 × 11,097.55
  4. Step 4: Simplify right side
    18,267.84x = 279,716,189.21
  5. Step 5: Solve for x
    x = 279,716,189.21/18,267.84
  6. Step 6: Final answer
    x = 15,311.95

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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.