Home / 17,765.96-26,665.69-13,071.66

Finding the Fourth Proportional to 17,765.96, 26,665.69 and 13,071.66

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Solution

The fourth proportional to 17,765.96, 26,665.69 and 13,071.66 is: 19,619.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,765.96 : 26,665.69 = 13,071.66 : x
  2. Step 2: Convert to fraction form
    17,765.96/26,665.69 = 13,071.66/x
  3. Step 3: Cross multiply
    17,765.96x = 26,665.69 × 13,071.66
  4. Step 4: Simplify right side
    17,765.96x = 348,564,734.00
  5. Step 5: Solve for x
    x = 348,564,734.00/17,765.96
  6. Step 6: Final answer
    x = 19,619.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.