Home / 20,796.46-28,699.19-11,365.02

Finding the Fourth Proportional to 20,796.46, 28,699.19 and 11,365.02

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Solution

The fourth proportional to 20,796.46, 28,699.19 and 11,365.02 is: 15,683.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,796.46 : 28,699.19 = 11,365.02 : x
  2. Step 2: Convert to fraction form
    20,796.46/28,699.19 = 11,365.02/x
  3. Step 3: Cross multiply
    20,796.46x = 28,699.19 × 11,365.02
  4. Step 4: Simplify right side
    20,796.46x = 326,166,868.33
  5. Step 5: Solve for x
    x = 326,166,868.33/20,796.46
  6. Step 6: Final answer
    x = 15,683.77

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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.