Home / 15,670.56-21,625.25-8,596.94

Finding the Fourth Proportional to 15,670.56, 21,625.25 and 8,596.94

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Solution

The fourth proportional to 15,670.56, 21,625.25 and 8,596.94 is: 11,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,670.56 : 21,625.25 = 8,596.94 : x
  2. Step 2: Convert to fraction form
    15,670.56/21,625.25 = 8,596.94/x
  3. Step 3: Cross multiply
    15,670.56x = 21,625.25 × 8,596.94
  4. Step 4: Simplify right side
    15,670.56x = 185,910,825.62
  5. Step 5: Solve for x
    x = 185,910,825.62/15,670.56
  6. Step 6: Final answer
    x = 11,863.70

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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.