Home / 26,486.96-36,550.20-14,550.80

Finding the Fourth Proportional to 26,486.96, 36,550.20 and 14,550.80

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Solution

The fourth proportional to 26,486.96, 36,550.20 and 14,550.80 is: 20,079.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,486.96 : 36,550.20 = 14,550.80 : x
  2. Step 2: Convert to fraction form
    26,486.96/36,550.20 = 14,550.80/x
  3. Step 3: Cross multiply
    26,486.96x = 36,550.20 × 14,550.80
  4. Step 4: Simplify right side
    26,486.96x = 531,834,650.16
  5. Step 5: Solve for x
    x = 531,834,650.16/26,486.96
  6. Step 6: Final answer
    x = 20,079.11

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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.