Home / 19,717.40-29,580.35-5,677.33

Finding the Fourth Proportional to 19,717.40, 29,580.35 and 5,677.33

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Solution

The fourth proportional to 19,717.40, 29,580.35 and 5,677.33 is: 8,517.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,717.40 : 29,580.35 = 5,677.33 : x
  2. Step 2: Convert to fraction form
    19,717.40/29,580.35 = 5,677.33/x
  3. Step 3: Cross multiply
    19,717.40x = 29,580.35 × 5,677.33
  4. Step 4: Simplify right side
    19,717.40x = 167,937,408.47
  5. Step 5: Solve for x
    x = 167,937,408.47/19,717.40
  6. Step 6: Final answer
    x = 8,517.22

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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.