Home / 20,141.96-27,796.02-11,762.60

Finding the Fourth Proportional to 20,141.96, 27,796.02 and 11,762.60

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Solution

The fourth proportional to 20,141.96, 27,796.02 and 11,762.60 is: 16,232.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,141.96 : 27,796.02 = 11,762.60 : x
  2. Step 2: Convert to fraction form
    20,141.96/27,796.02 = 11,762.60/x
  3. Step 3: Cross multiply
    20,141.96x = 27,796.02 × 11,762.60
  4. Step 4: Simplify right side
    20,141.96x = 326,953,464.85
  5. Step 5: Solve for x
    x = 326,953,464.85/20,141.96
  6. Step 6: Final answer
    x = 16,232.46

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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.