Home / 21,198.16-31,795.89-8,050.24

Finding the Fourth Proportional to 21,198.16, 31,795.89 and 8,050.24

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Solution

The fourth proportional to 21,198.16, 31,795.89 and 8,050.24 is: 12,074.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,198.16 : 31,795.89 = 8,050.24 : x
  2. Step 2: Convert to fraction form
    21,198.16/31,795.89 = 8,050.24/x
  3. Step 3: Cross multiply
    21,198.16x = 31,795.89 × 8,050.24
  4. Step 4: Simplify right side
    21,198.16x = 255,964,545.51
  5. Step 5: Solve for x
    x = 255,964,545.51/21,198.16
  6. Step 6: Final answer
    x = 12,074.85

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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.