Home / 22,175.52-30,603.12-12,104.64

Finding the Fourth Proportional to 22,175.52, 30,603.12 and 12,104.64

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Solution

The fourth proportional to 22,175.52, 30,603.12 and 12,104.64 is: 16,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,175.52 : 30,603.12 = 12,104.64 : x
  2. Step 2: Convert to fraction form
    22,175.52/30,603.12 = 12,104.64/x
  3. Step 3: Cross multiply
    22,175.52x = 30,603.12 × 12,104.64
  4. Step 4: Simplify right side
    22,175.52x = 370,439,750.48
  5. Step 5: Solve for x
    x = 370,439,750.48/22,175.52
  6. Step 6: Final answer
    x = 16,704.90

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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.