Home / 19,192.65-28,723.95-11,801.79

Finding the Fourth Proportional to 19,192.65, 28,723.95 and 11,801.79

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Solution

The fourth proportional to 19,192.65, 28,723.95 and 11,801.79 is: 17,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,192.65 : 28,723.95 = 11,801.79 : x
  2. Step 2: Convert to fraction form
    19,192.65/28,723.95 = 11,801.79/x
  3. Step 3: Cross multiply
    19,192.65x = 28,723.95 × 11,801.79
  4. Step 4: Simplify right side
    19,192.65x = 338,994,025.87
  5. Step 5: Solve for x
    x = 338,994,025.87/19,192.65
  6. Step 6: Final answer
    x = 17,662.70

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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.