Home / 19,110.96-28,673.32-8,580.16

Finding the Fourth Proportional to 19,110.96, 28,673.32 and 8,580.16

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Solution

The fourth proportional to 19,110.96, 28,673.32 and 8,580.16 is: 12,873.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,110.96 : 28,673.32 = 8,580.16 : x
  2. Step 2: Convert to fraction form
    19,110.96/28,673.32 = 8,580.16/x
  3. Step 3: Cross multiply
    19,110.96x = 28,673.32 × 8,580.16
  4. Step 4: Simplify right side
    19,110.96x = 246,021,673.33
  5. Step 5: Solve for x
    x = 246,021,673.33/19,110.96
  6. Step 6: Final answer
    x = 12,873.33

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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.