Home / 17,318.81-25,948.35-13,527.09

Finding the Fourth Proportional to 17,318.81, 25,948.35 and 13,527.09

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Solution

The fourth proportional to 17,318.81, 25,948.35 and 13,527.09 is: 20,267.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,318.81 : 25,948.35 = 13,527.09 : x
  2. Step 2: Convert to fraction form
    17,318.81/25,948.35 = 13,527.09/x
  3. Step 3: Cross multiply
    17,318.81x = 25,948.35 × 13,527.09
  4. Step 4: Simplify right side
    17,318.81x = 351,005,665.80
  5. Step 5: Solve for x
    x = 351,005,665.80/17,318.81
  6. Step 6: Final answer
    x = 20,267.31

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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.