Home / 20,452.52-28,235.45-13,773.51

Finding the Fourth Proportional to 20,452.52, 28,235.45 and 13,773.51

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Solution

The fourth proportional to 20,452.52, 28,235.45 and 13,773.51 is: 19,014.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,452.52 : 28,235.45 = 13,773.51 : x
  2. Step 2: Convert to fraction form
    20,452.52/28,235.45 = 13,773.51/x
  3. Step 3: Cross multiply
    20,452.52x = 28,235.45 × 13,773.51
  4. Step 4: Simplify right side
    20,452.52x = 388,901,287.36
  5. Step 5: Solve for x
    x = 388,901,287.36/20,452.52
  6. Step 6: Final answer
    x = 19,014.83

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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.