Home / 18,474.90-27,716.45-5,326.25

Finding the Fourth Proportional to 18,474.90, 27,716.45 and 5,326.25

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Solution

The fourth proportional to 18,474.90, 27,716.45 and 5,326.25 is: 7,990.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,474.90 : 27,716.45 = 5,326.25 : x
  2. Step 2: Convert to fraction form
    18,474.90/27,716.45 = 5,326.25/x
  3. Step 3: Cross multiply
    18,474.90x = 27,716.45 × 5,326.25
  4. Step 4: Simplify right side
    18,474.90x = 147,624,576.60
  5. Step 5: Solve for x
    x = 147,624,576.60/18,474.90
  6. Step 6: Final answer
    x = 7,990.55

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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.