Home / 17,212.35-25,800.77-7,222.91

Finding the Fourth Proportional to 17,212.35, 25,800.77 and 7,222.91

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Solution

The fourth proportional to 17,212.35, 25,800.77 and 7,222.91 is: 10,826.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,212.35 : 25,800.77 = 7,222.91 : x
  2. Step 2: Convert to fraction form
    17,212.35/25,800.77 = 7,222.91/x
  3. Step 3: Cross multiply
    17,212.35x = 25,800.77 × 7,222.91
  4. Step 4: Simplify right side
    17,212.35x = 186,356,474.52
  5. Step 5: Solve for x
    x = 186,356,474.52/17,212.35
  6. Step 6: Final answer
    x = 10,826.90

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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.