Home / 26,151.68-36,106.69-20,091.12

Finding the Fourth Proportional to 26,151.68, 36,106.69 and 20,091.12

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Solution

The fourth proportional to 26,151.68, 36,106.69 and 20,091.12 is: 27,739.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,151.68 : 36,106.69 = 20,091.12 : x
  2. Step 2: Convert to fraction form
    26,151.68/36,106.69 = 20,091.12/x
  3. Step 3: Cross multiply
    26,151.68x = 36,106.69 × 20,091.12
  4. Step 4: Simplify right side
    26,151.68x = 725,423,841.59
  5. Step 5: Solve for x
    x = 725,423,841.59/26,151.68
  6. Step 6: Final answer
    x = 27,739.09

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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.