Home / 13,609.94-20,416.17-4,723.88

Finding the Fourth Proportional to 13,609.94, 20,416.17 and 4,723.88

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Solution

The fourth proportional to 13,609.94, 20,416.17 and 4,723.88 is: 7,086.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609.94 : 20,416.17 = 4,723.88 : x
  2. Step 2: Convert to fraction form
    13,609.94/20,416.17 = 4,723.88/x
  3. Step 3: Cross multiply
    13,609.94x = 20,416.17 × 4,723.88
  4. Step 4: Simplify right side
    13,609.94x = 96,443,435.06
  5. Step 5: Solve for x
    x = 96,443,435.06/13,609.94
  6. Step 6: Final answer
    x = 7,086.25

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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.