Home / 22,109.46-33,143.36-11,005.65

Finding the Fourth Proportional to 22,109.46, 33,143.36 and 11,005.65

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Solution

The fourth proportional to 22,109.46, 33,143.36 and 11,005.65 is: 16,498.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,109.46 : 33,143.36 = 11,005.65 : x
  2. Step 2: Convert to fraction form
    22,109.46/33,143.36 = 11,005.65/x
  3. Step 3: Cross multiply
    22,109.46x = 33,143.36 × 11,005.65
  4. Step 4: Simplify right side
    22,109.46x = 364,764,164.96
  5. Step 5: Solve for x
    x = 364,764,164.96/22,109.46
  6. Step 6: Final answer
    x = 16,498.10

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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.