Home / 14,717.45-20,310.21-8,003.06

Finding the Fourth Proportional to 14,717.45, 20,310.21 and 8,003.06

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Solution

The fourth proportional to 14,717.45, 20,310.21 and 8,003.06 is: 11,044.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,717.45 : 20,310.21 = 8,003.06 : x
  2. Step 2: Convert to fraction form
    14,717.45/20,310.21 = 8,003.06/x
  3. Step 3: Cross multiply
    14,717.45x = 20,310.21 × 8,003.06
  4. Step 4: Simplify right side
    14,717.45x = 162,543,829.24
  5. Step 5: Solve for x
    x = 162,543,829.24/14,717.45
  6. Step 6: Final answer
    x = 11,044.29

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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.