Home / 19,190.48-28,789.65-8,097.17

Finding the Fourth Proportional to 19,190.48, 28,789.65 and 8,097.17

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Solution

The fourth proportional to 19,190.48, 28,789.65 and 8,097.17 is: 12,147.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190.48 : 28,789.65 = 8,097.17 : x
  2. Step 2: Convert to fraction form
    19,190.48/28,789.65 = 8,097.17/x
  3. Step 3: Cross multiply
    19,190.48x = 28,789.65 × 8,097.17
  4. Step 4: Simplify right side
    19,190.48x = 233,114,690.29
  5. Step 5: Solve for x
    x = 233,114,690.29/19,190.48
  6. Step 6: Final answer
    x = 12,147.41

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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.