Home / 12,020.54-18,032.90-5,791.77

Finding the Fourth Proportional to 12,020.54, 18,032.90 and 5,791.77

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Solution

The fourth proportional to 12,020.54, 18,032.90 and 5,791.77 is: 8,688.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.54 : 18,032.90 = 5,791.77 : x
  2. Step 2: Convert to fraction form
    12,020.54/18,032.90 = 5,791.77/x
  3. Step 3: Cross multiply
    12,020.54x = 18,032.90 × 5,791.77
  4. Step 4: Simplify right side
    12,020.54x = 104,442,380.27
  5. Step 5: Solve for x
    x = 104,442,380.27/12,020.54
  6. Step 6: Final answer
    x = 8,688.66

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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.