Home / 19,317.54-28,974.06-5,277

Finding the Fourth Proportional to 19,317.54, 28,974.06 and 5,277

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Solution

The fourth proportional to 19,317.54, 28,974.06 and 5,277 is: 7,914.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317.54 : 28,974.06 = 5,277 : x
  2. Step 2: Convert to fraction form
    19,317.54/28,974.06 = 5,277/x
  3. Step 3: Cross multiply
    19,317.54x = 28,974.06 × 5,277
  4. Step 4: Simplify right side
    19,317.54x = 152,896,114.62
  5. Step 5: Solve for x
    x = 152,896,114.62/19,317.54
  6. Step 6: Final answer
    x = 7,914.89

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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.