Home / 20,037.51-27,651.51-10,962.95

Finding the Fourth Proportional to 20,037.51, 27,651.51 and 10,962.95

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Solution

The fourth proportional to 20,037.51, 27,651.51 and 10,962.95 is: 15,128.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037.51 : 27,651.51 = 10,962.95 : x
  2. Step 2: Convert to fraction form
    20,037.51/27,651.51 = 10,962.95/x
  3. Step 3: Cross multiply
    20,037.51x = 27,651.51 × 10,962.95
  4. Step 4: Simplify right side
    20,037.51x = 303,141,983.30
  5. Step 5: Solve for x
    x = 303,141,983.30/20,037.51
  6. Step 6: Final answer
    x = 15,128.73

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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.