Home / 13,301.66-18,356.42-7,333.54

Finding the Fourth Proportional to 13,301.66, 18,356.42 and 7,333.54

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Solution

The fourth proportional to 13,301.66, 18,356.42 and 7,333.54 is: 10,120.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.66 : 18,356.42 = 7,333.54 : x
  2. Step 2: Convert to fraction form
    13,301.66/18,356.42 = 7,333.54/x
  3. Step 3: Cross multiply
    13,301.66x = 18,356.42 × 7,333.54
  4. Step 4: Simplify right side
    13,301.66x = 134,617,540.33
  5. Step 5: Solve for x
    x = 134,617,540.33/13,301.66
  6. Step 6: Final answer
    x = 10,120.36

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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.