Home / 16,101.12-22,314.24-15,855.36

Finding the Fourth Proportional to 16,101.12, 22,314.24 and 15,855.36

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Solution

The fourth proportional to 16,101.12, 22,314.24 and 15,855.36 is: 21,973.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,101.12 : 22,314.24 = 15,855.36 : x
  2. Step 2: Convert to fraction form
    16,101.12/22,314.24 = 15,855.36/x
  3. Step 3: Cross multiply
    16,101.12x = 22,314.24 × 15,855.36
  4. Step 4: Simplify right side
    16,101.12x = 353,800,308.33
  5. Step 5: Solve for x
    x = 353,800,308.33/16,101.12
  6. Step 6: Final answer
    x = 21,973.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.