Home / 20,796.07-28,699.28-11,365.24

Finding the Fourth Proportional to 20,796.07, 28,699.28 and 11,365.24

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Solution

The fourth proportional to 20,796.07, 28,699.28 and 11,365.24 is: 15,684.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,796.07 : 28,699.28 = 11,365.24 : x
  2. Step 2: Convert to fraction form
    20,796.07/28,699.28 = 11,365.24/x
  3. Step 3: Cross multiply
    20,796.07x = 28,699.28 × 11,365.24
  4. Step 4: Simplify right side
    20,796.07x = 326,174,205.03
  5. Step 5: Solve for x
    x = 326,174,205.03/20,796.07
  6. Step 6: Final answer
    x = 15,684.42

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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.