Home / 20,022.75-27,632.82-11,070.06

Finding the Fourth Proportional to 20,022.75, 27,632.82 and 11,070.06

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Solution

The fourth proportional to 20,022.75, 27,632.82 and 11,070.06 is: 15,277.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.75 : 27,632.82 = 11,070.06 : x
  2. Step 2: Convert to fraction form
    20,022.75/27,632.82 = 11,070.06/x
  3. Step 3: Cross multiply
    20,022.75x = 27,632.82 × 11,070.06
  4. Step 4: Simplify right side
    20,022.75x = 305,896,975.37
  5. Step 5: Solve for x
    x = 305,896,975.37/20,022.75
  6. Step 6: Final answer
    x = 15,277.47

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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.