Home / 13,708.18-18,911.38-8,044.66

Finding the Fourth Proportional to 13,708.18, 18,911.38 and 8,044.66

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Solution

The fourth proportional to 13,708.18, 18,911.38 and 8,044.66 is: 11,098.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708.18 : 18,911.38 = 8,044.66 : x
  2. Step 2: Convert to fraction form
    13,708.18/18,911.38 = 8,044.66/x
  3. Step 3: Cross multiply
    13,708.18x = 18,911.38 × 8,044.66
  4. Step 4: Simplify right side
    13,708.18x = 152,135,622.23
  5. Step 5: Solve for x
    x = 152,135,622.23/13,708.18
  6. Step 6: Final answer
    x = 11,098.16

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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.