Home / 22,120.76-33,103.18-13,804.70

Finding the Fourth Proportional to 22,120.76, 33,103.18 and 13,804.70

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Solution

The fourth proportional to 22,120.76, 33,103.18 and 13,804.70 is: 20,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,120.76 : 33,103.18 = 13,804.70 : x
  2. Step 2: Convert to fraction form
    22,120.76/33,103.18 = 13,804.70/x
  3. Step 3: Cross multiply
    22,120.76x = 33,103.18 × 13,804.70
  4. Step 4: Simplify right side
    22,120.76x = 456,979,468.95
  5. Step 5: Solve for x
    x = 456,979,468.95/22,120.76
  6. Step 6: Final answer
    x = 20,658.40

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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.