Home / 26,166.50-36,109.77-14,989.22

Finding the Fourth Proportional to 26,166.50, 36,109.77 and 14,989.22

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Solution

The fourth proportional to 26,166.50, 36,109.77 and 14,989.22 is: 20,685.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,166.50 : 36,109.77 = 14,989.22 : x
  2. Step 2: Convert to fraction form
    26,166.50/36,109.77 = 14,989.22/x
  3. Step 3: Cross multiply
    26,166.50x = 36,109.77 × 14,989.22
  4. Step 4: Simplify right side
    26,166.50x = 541,257,286.68
  5. Step 5: Solve for x
    x = 541,257,286.68/26,166.50
  6. Step 6: Final answer
    x = 20,685.12

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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.