Home / 20,088.43-30,135.99-6,937.27

Finding the Fourth Proportional to 20,088.43, 30,135.99 and 6,937.27

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Solution

The fourth proportional to 20,088.43, 30,135.99 and 6,937.27 is: 10,407.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,088.43 : 30,135.99 = 6,937.27 : x
  2. Step 2: Convert to fraction form
    20,088.43/30,135.99 = 6,937.27/x
  3. Step 3: Cross multiply
    20,088.43x = 30,135.99 × 6,937.27
  4. Step 4: Simplify right side
    20,088.43x = 209,061,499.35
  5. Step 5: Solve for x
    x = 209,061,499.35/20,088.43
  6. Step 6: Final answer
    x = 10,407.06

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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.