Home / 15,658.35-21,608.44-8,584.77

Finding the Fourth Proportional to 15,658.35, 21,608.44 and 8,584.77

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Solution

The fourth proportional to 15,658.35, 21,608.44 and 8,584.77 is: 11,846.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,658.35 : 21,608.44 = 8,584.77 : x
  2. Step 2: Convert to fraction form
    15,658.35/21,608.44 = 8,584.77/x
  3. Step 3: Cross multiply
    15,658.35x = 21,608.44 × 8,584.77
  4. Step 4: Simplify right side
    15,658.35x = 185,503,487.46
  5. Step 5: Solve for x
    x = 185,503,487.46/15,658.35
  6. Step 6: Final answer
    x = 11,846.94

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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.