Home / 13,351.02-20,033.67-8,669.93

Finding the Fourth Proportional to 13,351.02, 20,033.67 and 8,669.93

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Solution

The fourth proportional to 13,351.02, 20,033.67 and 8,669.93 is: 13,009.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351.02 : 20,033.67 = 8,669.93 : x
  2. Step 2: Convert to fraction form
    13,351.02/20,033.67 = 8,669.93/x
  3. Step 3: Cross multiply
    13,351.02x = 20,033.67 × 8,669.93
  4. Step 4: Simplify right side
    13,351.02x = 173,690,516.54
  5. Step 5: Solve for x
    x = 173,690,516.54/13,351.02
  6. Step 6: Final answer
    x = 13,009.53

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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.