Home / 14,727.39-20,318.36-9,694.50

Finding the Fourth Proportional to 14,727.39, 20,318.36 and 9,694.50

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Solution

The fourth proportional to 14,727.39, 20,318.36 and 9,694.50 is: 13,374.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,727.39 : 20,318.36 = 9,694.50 : x
  2. Step 2: Convert to fraction form
    14,727.39/20,318.36 = 9,694.50/x
  3. Step 3: Cross multiply
    14,727.39x = 20,318.36 × 9,694.50
  4. Step 4: Simplify right side
    14,727.39x = 196,976,341.02
  5. Step 5: Solve for x
    x = 196,976,341.02/14,727.39
  6. Step 6: Final answer
    x = 13,374.83

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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.