Home / 22,107.52-33,175.86-10,421.92

Finding the Fourth Proportional to 22,107.52, 33,175.86 and 10,421.92

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Solution

The fourth proportional to 22,107.52, 33,175.86 and 10,421.92 is: 15,639.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,107.52 : 33,175.86 = 10,421.92 : x
  2. Step 2: Convert to fraction form
    22,107.52/33,175.86 = 10,421.92/x
  3. Step 3: Cross multiply
    22,107.52x = 33,175.86 × 10,421.92
  4. Step 4: Simplify right side
    22,107.52x = 345,756,158.85
  5. Step 5: Solve for x
    x = 345,756,158.85/22,107.52
  6. Step 6: Final answer
    x = 15,639.75

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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.