Home / 19,824.22-29,739.66-9,829.46

Finding the Fourth Proportional to 19,824.22, 29,739.66 and 9,829.46

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Solution

The fourth proportional to 19,824.22, 29,739.66 and 9,829.46 is: 14,745.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,824.22 : 29,739.66 = 9,829.46 : x
  2. Step 2: Convert to fraction form
    19,824.22/29,739.66 = 9,829.46/x
  3. Step 3: Cross multiply
    19,824.22x = 29,739.66 × 9,829.46
  4. Step 4: Simplify right side
    19,824.22x = 292,324,719.39
  5. Step 5: Solve for x
    x = 292,324,719.39/19,824.22
  6. Step 6: Final answer
    x = 14,745.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.