Home / 14,550.36-20,079.78-8,262.76

Finding the Fourth Proportional to 14,550.36, 20,079.78 and 8,262.76

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Solution

The fourth proportional to 14,550.36, 20,079.78 and 8,262.76 is: 11,402.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,550.36 : 20,079.78 = 8,262.76 : x
  2. Step 2: Convert to fraction form
    14,550.36/20,079.78 = 8,262.76/x
  3. Step 3: Cross multiply
    14,550.36x = 20,079.78 × 8,262.76
  4. Step 4: Simplify right side
    14,550.36x = 165,914,402.99
  5. Step 5: Solve for x
    x = 165,914,402.99/14,550.36
  6. Step 6: Final answer
    x = 11,402.77

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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.