Home / 17,972.56-24,819.24-16,990.84

Finding the Fourth Proportional to 17,972.56, 24,819.24 and 16,990.84

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Solution

The fourth proportional to 17,972.56, 24,819.24 and 16,990.84 is: 23,463.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,972.56 : 24,819.24 = 16,990.84 : x
  2. Step 2: Convert to fraction form
    17,972.56/24,819.24 = 16,990.84/x
  3. Step 3: Cross multiply
    17,972.56x = 24,819.24 × 16,990.84
  4. Step 4: Simplify right side
    17,972.56x = 421,699,735.76
  5. Step 5: Solve for x
    x = 421,699,735.76/17,972.56
  6. Step 6: Final answer
    x = 23,463.53

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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.