Home / 13,664.66-18,861.96-8,001.23

Finding the Fourth Proportional to 13,664.66, 18,861.96 and 8,001.23

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Solution

The fourth proportional to 13,664.66, 18,861.96 and 8,001.23 is: 11,044.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664.66 : 18,861.96 = 8,001.23 : x
  2. Step 2: Convert to fraction form
    13,664.66/18,861.96 = 8,001.23/x
  3. Step 3: Cross multiply
    13,664.66x = 18,861.96 × 8,001.23
  4. Step 4: Simplify right side
    13,664.66x = 150,918,854.49
  5. Step 5: Solve for x
    x = 150,918,854.49/13,664.66
  6. Step 6: Final answer
    x = 11,044.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.