Home / 13,054.77-17,999.69-11,369.97

Finding the Fourth Proportional to 13,054.77, 17,999.69 and 11,369.97

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Solution

The fourth proportional to 13,054.77, 17,999.69 and 11,369.97 is: 15,676.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054.77 : 17,999.69 = 11,369.97 : x
  2. Step 2: Convert to fraction form
    13,054.77/17,999.69 = 11,369.97/x
  3. Step 3: Cross multiply
    13,054.77x = 17,999.69 × 11,369.97
  4. Step 4: Simplify right side
    13,054.77x = 204,655,878.46
  5. Step 5: Solve for x
    x = 204,655,878.46/13,054.77
  6. Step 6: Final answer
    x = 15,676.71

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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.