Home / 17,964.28-24,764.96-12,642.56

Finding the Fourth Proportional to 17,964.28, 24,764.96 and 12,642.56

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Solution

The fourth proportional to 17,964.28, 24,764.96 and 12,642.56 is: 17,428.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,964.28 : 24,764.96 = 12,642.56 : x
  2. Step 2: Convert to fraction form
    17,964.28/24,764.96 = 12,642.56/x
  3. Step 3: Cross multiply
    17,964.28x = 24,764.96 × 12,642.56
  4. Step 4: Simplify right side
    17,964.28x = 313,092,492.70
  5. Step 5: Solve for x
    x = 313,092,492.70/17,964.28
  6. Step 6: Final answer
    x = 17,428.61

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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.