Home / 18,400.77-27,596.30-5,253.86

Finding the Fourth Proportional to 18,400.77, 27,596.30 and 5,253.86

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Solution

The fourth proportional to 18,400.77, 27,596.30 and 5,253.86 is: 7,879.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.77 : 27,596.30 = 5,253.86 : x
  2. Step 2: Convert to fraction form
    18,400.77/27,596.30 = 5,253.86/x
  3. Step 3: Cross multiply
    18,400.77x = 27,596.30 × 5,253.86
  4. Step 4: Simplify right side
    18,400.77x = 144,987,139.44
  5. Step 5: Solve for x
    x = 144,987,139.44/18,400.77
  6. Step 6: Final answer
    x = 7,879.41

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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.