Home / 17,620.12-26,421.81-10,226.85

Finding the Fourth Proportional to 17,620.12, 26,421.81 and 10,226.85

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Solution

The fourth proportional to 17,620.12, 26,421.81 and 10,226.85 is: 15,335.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,620.12 : 26,421.81 = 10,226.85 : x
  2. Step 2: Convert to fraction form
    17,620.12/26,421.81 = 10,226.85/x
  3. Step 3: Cross multiply
    17,620.12x = 26,421.81 × 10,226.85
  4. Step 4: Simplify right side
    17,620.12x = 270,211,887.60
  5. Step 5: Solve for x
    x = 270,211,887.60/17,620.12
  6. Step 6: Final answer
    x = 15,335.42

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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.