Home / 17,708.22-26,554.81-7,180.55

Finding the Fourth Proportional to 17,708.22, 26,554.81 and 7,180.55

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Solution

The fourth proportional to 17,708.22, 26,554.81 and 7,180.55 is: 10,767.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,708.22 : 26,554.81 = 7,180.55 : x
  2. Step 2: Convert to fraction form
    17,708.22/26,554.81 = 7,180.55/x
  3. Step 3: Cross multiply
    17,708.22x = 26,554.81 × 7,180.55
  4. Step 4: Simplify right side
    17,708.22x = 190,678,123.46
  5. Step 5: Solve for x
    x = 190,678,123.46/17,708.22
  6. Step 6: Final answer
    x = 10,767.77

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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.