Home / 13,487.22-20,227.58-6,910.02

Finding the Fourth Proportional to 13,487.22, 20,227.58 and 6,910.02

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Solution

The fourth proportional to 13,487.22, 20,227.58 and 6,910.02 is: 10,363.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487.22 : 20,227.58 = 6,910.02 : x
  2. Step 2: Convert to fraction form
    13,487.22/20,227.58 = 6,910.02/x
  3. Step 3: Cross multiply
    13,487.22x = 20,227.58 × 6,910.02
  4. Step 4: Simplify right side
    13,487.22x = 139,772,982.35
  5. Step 5: Solve for x
    x = 139,772,982.35/13,487.22
  6. Step 6: Final answer
    x = 10,363.36

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1.5x scale

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.