Home / 20,633.97-28,474.93-11,202.33

Finding the Fourth Proportional to 20,633.97, 28,474.93 and 11,202.33

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Solution

The fourth proportional to 20,633.97, 28,474.93 and 11,202.33 is: 15,459.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,633.97 : 28,474.93 = 11,202.33 : x
  2. Step 2: Convert to fraction form
    20,633.97/28,474.93 = 11,202.33/x
  3. Step 3: Cross multiply
    20,633.97x = 28,474.93 × 11,202.33
  4. Step 4: Simplify right side
    20,633.97x = 318,985,506.58
  5. Step 5: Solve for x
    x = 318,985,506.58/20,633.97
  6. Step 6: Final answer
    x = 15,459.24

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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.