Home / 19,440.96-29,171.46-8,344.74

Finding the Fourth Proportional to 19,440.96, 29,171.46 and 8,344.74

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Solution

The fourth proportional to 19,440.96, 29,171.46 and 8,344.74 is: 12,521.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440.96 : 29,171.46 = 8,344.74 : x
  2. Step 2: Convert to fraction form
    19,440.96/29,171.46 = 8,344.74/x
  3. Step 3: Cross multiply
    19,440.96x = 29,171.46 × 8,344.74
  4. Step 4: Simplify right side
    19,440.96x = 243,428,249.12
  5. Step 5: Solve for x
    x = 243,428,249.12/19,440.96
  6. Step 6: Final answer
    x = 12,521.41

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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.