Home / 13,324.38-19,998.67-7,089.60

Finding the Fourth Proportional to 13,324.38, 19,998.67 and 7,089.60

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Solution

The fourth proportional to 13,324.38, 19,998.67 and 7,089.60 is: 10,640.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.38 : 19,998.67 = 7,089.60 : x
  2. Step 2: Convert to fraction form
    13,324.38/19,998.67 = 7,089.60/x
  3. Step 3: Cross multiply
    13,324.38x = 19,998.67 × 7,089.60
  4. Step 4: Simplify right side
    13,324.38x = 141,782,570.83
  5. Step 5: Solve for x
    x = 141,782,570.83/13,324.38
  6. Step 6: Final answer
    x = 10,640.84

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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.