Home / 18,215.10-27,321.93-6,527.34

Finding the Fourth Proportional to 18,215.10, 27,321.93 and 6,527.34

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Solution

The fourth proportional to 18,215.10, 27,321.93 and 6,527.34 is: 9,790.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215.10 : 27,321.93 = 6,527.34 : x
  2. Step 2: Convert to fraction form
    18,215.10/27,321.93 = 6,527.34/x
  3. Step 3: Cross multiply
    18,215.10x = 27,321.93 × 6,527.34
  4. Step 4: Simplify right side
    18,215.10x = 178,339,526.57
  5. Step 5: Solve for x
    x = 178,339,526.57/18,215.10
  6. Step 6: Final answer
    x = 9,790.75

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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.