Home / 19,791.54-29,688.83-14,587.90

Finding the Fourth Proportional to 19,791.54, 29,688.83 and 14,587.90

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Solution

The fourth proportional to 19,791.54, 29,688.83 and 14,587.90 is: 21,882.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,791.54 : 29,688.83 = 14,587.90 : x
  2. Step 2: Convert to fraction form
    19,791.54/29,688.83 = 14,587.90/x
  3. Step 3: Cross multiply
    19,791.54x = 29,688.83 × 14,587.90
  4. Step 4: Simplify right side
    19,791.54x = 433,097,590.70
  5. Step 5: Solve for x
    x = 433,097,590.70/19,791.54
  6. Step 6: Final answer
    x = 21,882.97

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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.