Home / 23,489.45-32,416.94-15,517.70

Finding the Fourth Proportional to 23,489.45, 32,416.94 and 15,517.70

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Solution

The fourth proportional to 23,489.45, 32,416.94 and 15,517.70 is: 21,415.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,489.45 : 32,416.94 = 15,517.70 : x
  2. Step 2: Convert to fraction form
    23,489.45/32,416.94 = 15,517.70/x
  3. Step 3: Cross multiply
    23,489.45x = 32,416.94 × 15,517.70
  4. Step 4: Simplify right side
    23,489.45x = 503,036,349.84
  5. Step 5: Solve for x
    x = 503,036,349.84/23,489.45
  6. Step 6: Final answer
    x = 21,415.42

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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.