Home / 20,037.81-27,651.24-10,963.65

Finding the Fourth Proportional to 20,037.81, 27,651.24 and 10,963.65

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Solution

The fourth proportional to 20,037.81, 27,651.24 and 10,963.65 is: 15,129.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037.81 : 27,651.24 = 10,963.65 : x
  2. Step 2: Convert to fraction form
    20,037.81/27,651.24 = 10,963.65/x
  3. Step 3: Cross multiply
    20,037.81x = 27,651.24 × 10,963.65
  4. Step 4: Simplify right side
    20,037.81x = 303,158,621.12
  5. Step 5: Solve for x
    x = 303,158,621.12/20,037.81
  6. Step 6: Final answer
    x = 15,129.33

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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.