Home / 13,201.54-18,218.33-7,233.19

Finding the Fourth Proportional to 13,201.54, 18,218.33 and 7,233.19

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Solution

The fourth proportional to 13,201.54, 18,218.33 and 7,233.19 is: 9,981.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201.54 : 18,218.33 = 7,233.19 : x
  2. Step 2: Convert to fraction form
    13,201.54/18,218.33 = 7,233.19/x
  3. Step 3: Cross multiply
    13,201.54x = 18,218.33 × 7,233.19
  4. Step 4: Simplify right side
    13,201.54x = 131,776,642.37
  5. Step 5: Solve for x
    x = 131,776,642.37/13,201.54
  6. Step 6: Final answer
    x = 9,981.91

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Double scale
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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.