Home / 19,110.17-28,636.03-8,010.81

Finding the Fourth Proportional to 19,110.17, 28,636.03 and 8,010.81

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Solution

The fourth proportional to 19,110.17, 28,636.03 and 8,010.81 is: 12,003.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,110.17 : 28,636.03 = 8,010.81 : x
  2. Step 2: Convert to fraction form
    19,110.17/28,636.03 = 8,010.81/x
  3. Step 3: Cross multiply
    19,110.17x = 28,636.03 × 8,010.81
  4. Step 4: Simplify right side
    19,110.17x = 229,397,795.48
  5. Step 5: Solve for x
    x = 229,397,795.48/19,110.17
  6. Step 6: Final answer
    x = 12,003.96

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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.