Home / 16,103.25-22,203.77-15,106.95

Finding the Fourth Proportional to 16,103.25, 22,203.77 and 15,106.95

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Solution

The fourth proportional to 16,103.25, 22,203.77 and 15,106.95 is: 20,830.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,103.25 : 22,203.77 = 15,106.95 : x
  2. Step 2: Convert to fraction form
    16,103.25/22,203.77 = 15,106.95/x
  3. Step 3: Cross multiply
    16,103.25x = 22,203.77 × 15,106.95
  4. Step 4: Simplify right side
    16,103.25x = 335,431,167.67
  5. Step 5: Solve for x
    x = 335,431,167.67/16,103.25
  6. Step 6: Final answer
    x = 20,830.03

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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.