Home / 19,352.54-29,028.78-12,777.19

Finding the Fourth Proportional to 19,352.54, 29,028.78 and 12,777.19

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Solution

The fourth proportional to 19,352.54, 29,028.78 and 12,777.19 is: 19,165.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,352.54 : 29,028.78 = 12,777.19 : x
  2. Step 2: Convert to fraction form
    19,352.54/29,028.78 = 12,777.19/x
  3. Step 3: Cross multiply
    19,352.54x = 29,028.78 × 12,777.19
  4. Step 4: Simplify right side
    19,352.54x = 370,906,164.96
  5. Step 5: Solve for x
    x = 370,906,164.96/19,352.54
  6. Step 6: Final answer
    x = 19,165.76

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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.