Home / 20,022.68-27,628.91-11,068.98

Finding the Fourth Proportional to 20,022.68, 27,628.91 and 11,068.98

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Solution

The fourth proportional to 20,022.68, 27,628.91 and 11,068.98 is: 15,273.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.68 : 27,628.91 = 11,068.98 : x
  2. Step 2: Convert to fraction form
    20,022.68/27,628.91 = 11,068.98/x
  3. Step 3: Cross multiply
    20,022.68x = 27,628.91 × 11,068.98
  4. Step 4: Simplify right side
    20,022.68x = 305,823,852.21
  5. Step 5: Solve for x
    x = 305,823,852.21/20,022.68
  6. Step 6: Final answer
    x = 15,273.87

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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.