Home / 16,022.12-22,106.52-9,977.09

Finding the Fourth Proportional to 16,022.12, 22,106.52 and 9,977.09

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Solution

The fourth proportional to 16,022.12, 22,106.52 and 9,977.09 is: 13,765.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,022.12 : 22,106.52 = 9,977.09 : x
  2. Step 2: Convert to fraction form
    16,022.12/22,106.52 = 9,977.09/x
  3. Step 3: Cross multiply
    16,022.12x = 22,106.52 × 9,977.09
  4. Step 4: Simplify right side
    16,022.12x = 220,558,629.09
  5. Step 5: Solve for x
    x = 220,558,629.09/16,022.12
  6. Step 6: Final answer
    x = 13,765.89

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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.