Home / 18,550.99-27,835.61-8,688.56

Finding the Fourth Proportional to 18,550.99, 27,835.61 and 8,688.56

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Solution

The fourth proportional to 18,550.99, 27,835.61 and 8,688.56 is: 13,037.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.99 : 27,835.61 = 8,688.56 : x
  2. Step 2: Convert to fraction form
    18,550.99/27,835.61 = 8,688.56/x
  3. Step 3: Cross multiply
    18,550.99x = 27,835.61 × 8,688.56
  4. Step 4: Simplify right side
    18,550.99x = 241,851,367.62
  5. Step 5: Solve for x
    x = 241,851,367.62/18,550.99
  6. Step 6: Final answer
    x = 13,037.11

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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.