Home / 19,664.96-29,487.76-8,569.60

Finding the Fourth Proportional to 19,664.96, 29,487.76 and 8,569.60

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Solution

The fourth proportional to 19,664.96, 29,487.76 and 8,569.60 is: 12,850.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,664.96 : 29,487.76 = 8,569.60 : x
  2. Step 2: Convert to fraction form
    19,664.96/29,487.76 = 8,569.60/x
  3. Step 3: Cross multiply
    19,664.96x = 29,487.76 × 8,569.60
  4. Step 4: Simplify right side
    19,664.96x = 252,698,308.10
  5. Step 5: Solve for x
    x = 252,698,308.10/19,664.96
  6. Step 6: Final answer
    x = 12,850.18

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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.