Home / 19,317.66-28,929.24-17,447.76

Finding the Fourth Proportional to 19,317.66, 28,929.24 and 17,447.76

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Solution

The fourth proportional to 19,317.66, 28,929.24 and 17,447.76 is: 26,128.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317.66 : 28,929.24 = 17,447.76 : x
  2. Step 2: Convert to fraction form
    19,317.66/28,929.24 = 17,447.76/x
  3. Step 3: Cross multiply
    19,317.66x = 28,929.24 × 17,447.76
  4. Step 4: Simplify right side
    19,317.66x = 504,750,436.50
  5. Step 5: Solve for x
    x = 504,750,436.50/19,317.66
  6. Step 6: Final answer
    x = 26,128.96

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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.