Home / 13,324.01-18,385.82-7,355.29

Finding the Fourth Proportional to 13,324.01, 18,385.82 and 7,355.29

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Solution

The fourth proportional to 13,324.01, 18,385.82 and 7,355.29 is: 10,149.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.01 : 18,385.82 = 7,355.29 : x
  2. Step 2: Convert to fraction form
    13,324.01/18,385.82 = 7,355.29/x
  3. Step 3: Cross multiply
    13,324.01x = 18,385.82 × 7,355.29
  4. Step 4: Simplify right side
    13,324.01x = 135,233,037.99
  5. Step 5: Solve for x
    x = 135,233,037.99/13,324.01
  6. Step 6: Final answer
    x = 10,149.57

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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.