Home / 13,373.96-18,456.40-7,324.80

Finding the Fourth Proportional to 13,373.96, 18,456.40 and 7,324.80

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Solution

The fourth proportional to 13,373.96, 18,456.40 and 7,324.80 is: 10,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,373.96 : 18,456.40 = 7,324.80 : x
  2. Step 2: Convert to fraction form
    13,373.96/18,456.40 = 7,324.80/x
  3. Step 3: Cross multiply
    13,373.96x = 18,456.40 × 7,324.80
  4. Step 4: Simplify right side
    13,373.96x = 135,189,438.72
  5. Step 5: Solve for x
    x = 135,189,438.72/13,373.96
  6. Step 6: Final answer
    x = 10,108.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.