Home / 20,235.30-27,923.27-11,283.27

Finding the Fourth Proportional to 20,235.30, 27,923.27 and 11,283.27

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Solution

The fourth proportional to 20,235.30, 27,923.27 and 11,283.27 is: 15,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235.30 : 27,923.27 = 11,283.27 : x
  2. Step 2: Convert to fraction form
    20,235.30/27,923.27 = 11,283.27/x
  3. Step 3: Cross multiply
    20,235.30x = 27,923.27 × 11,283.27
  4. Step 4: Simplify right side
    20,235.30x = 315,065,738.28
  5. Step 5: Solve for x
    x = 315,065,738.28/20,235.30
  6. Step 6: Final answer
    x = 15,570.10

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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.