Home / 13,083.27-18,054.84-7,418.01

Finding the Fourth Proportional to 13,083.27, 18,054.84 and 7,418.01

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Solution

The fourth proportional to 13,083.27, 18,054.84 and 7,418.01 is: 10,236.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083.27 : 18,054.84 = 7,418.01 : x
  2. Step 2: Convert to fraction form
    13,083.27/18,054.84 = 7,418.01/x
  3. Step 3: Cross multiply
    13,083.27x = 18,054.84 × 7,418.01
  4. Step 4: Simplify right side
    13,083.27x = 133,930,983.67
  5. Step 5: Solve for x
    x = 133,930,983.67/13,083.27
  6. Step 6: Final answer
    x = 10,236.81

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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.