Home / 20,163.24-27,824.65-11,088.59

Finding the Fourth Proportional to 20,163.24, 27,824.65 and 11,088.59

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Solution

The fourth proportional to 20,163.24, 27,824.65 and 11,088.59 is: 15,301.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,163.24 : 27,824.65 = 11,088.59 : x
  2. Step 2: Convert to fraction form
    20,163.24/27,824.65 = 11,088.59/x
  3. Step 3: Cross multiply
    20,163.24x = 27,824.65 × 11,088.59
  4. Step 4: Simplify right side
    20,163.24x = 308,536,135.74
  5. Step 5: Solve for x
    x = 308,536,135.74/20,163.24
  6. Step 6: Final answer
    x = 15,301.91

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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.