Home / 16,933.79-25,416.28-8,619.75

Finding the Fourth Proportional to 16,933.79, 25,416.28 and 8,619.75

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Solution

The fourth proportional to 16,933.79, 25,416.28 and 8,619.75 is: 12,937.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,933.79 : 25,416.28 = 8,619.75 : x
  2. Step 2: Convert to fraction form
    16,933.79/25,416.28 = 8,619.75/x
  3. Step 3: Cross multiply
    16,933.79x = 25,416.28 × 8,619.75
  4. Step 4: Simplify right side
    16,933.79x = 219,081,990.30
  5. Step 5: Solve for x
    x = 219,081,990.30/16,933.79
  6. Step 6: Final answer
    x = 12,937.56

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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.