Home / 14,717.50-20,310.08-8,003.07

Finding the Fourth Proportional to 14,717.50, 20,310.08 and 8,003.07

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Solution

The fourth proportional to 14,717.50, 20,310.08 and 8,003.07 is: 11,044.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,717.50 : 20,310.08 = 8,003.07 : x
  2. Step 2: Convert to fraction form
    14,717.50/20,310.08 = 8,003.07/x
  3. Step 3: Cross multiply
    14,717.50x = 20,310.08 × 8,003.07
  4. Step 4: Simplify right side
    14,717.50x = 162,542,951.93
  5. Step 5: Solve for x
    x = 162,542,951.93/14,717.50
  6. Step 6: Final answer
    x = 11,044.20

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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.