Home / 16,277.80-22,462.14-10,979.80

Finding the Fourth Proportional to 16,277.80, 22,462.14 and 10,979.80

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Solution

The fourth proportional to 16,277.80, 22,462.14 and 10,979.80 is: 15,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,277.80 : 22,462.14 = 10,979.80 : x
  2. Step 2: Convert to fraction form
    16,277.80/22,462.14 = 10,979.80/x
  3. Step 3: Cross multiply
    16,277.80x = 22,462.14 × 10,979.80
  4. Step 4: Simplify right side
    16,277.80x = 246,629,804.77
  5. Step 5: Solve for x
    x = 246,629,804.77/16,277.80
  6. Step 6: Final answer
    x = 15,151.30

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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.