Home / 13,373.73-20,091.35-9,434.06

Finding the Fourth Proportional to 13,373.73, 20,091.35 and 9,434.06

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Solution

The fourth proportional to 13,373.73, 20,091.35 and 9,434.06 is: 14,172.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,373.73 : 20,091.35 = 9,434.06 : x
  2. Step 2: Convert to fraction form
    13,373.73/20,091.35 = 9,434.06/x
  3. Step 3: Cross multiply
    13,373.73x = 20,091.35 × 9,434.06
  4. Step 4: Simplify right side
    13,373.73x = 189,542,984.87
  5. Step 5: Solve for x
    x = 189,542,984.87/13,373.73
  6. Step 6: Final answer
    x = 14,172.78

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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.