Home / 17,666.19-26,489.11-7,141.25

Finding the Fourth Proportional to 17,666.19, 26,489.11 and 7,141.25

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Solution

The fourth proportional to 17,666.19, 26,489.11 and 7,141.25 is: 10,707.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,666.19 : 26,489.11 = 7,141.25 : x
  2. Step 2: Convert to fraction form
    17,666.19/26,489.11 = 7,141.25/x
  3. Step 3: Cross multiply
    17,666.19x = 26,489.11 × 7,141.25
  4. Step 4: Simplify right side
    17,666.19x = 189,165,356.79
  5. Step 5: Solve for x
    x = 189,165,356.79/17,666.19
  6. Step 6: Final answer
    x = 10,707.76

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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.