Home / 18,209.76-27,315.32-6,522.96

Finding the Fourth Proportional to 18,209.76, 27,315.32 and 6,522.96

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Solution

The fourth proportional to 18,209.76, 27,315.32 and 6,522.96 is: 9,784.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209.76 : 27,315.32 = 6,522.96 : x
  2. Step 2: Convert to fraction form
    18,209.76/27,315.32 = 6,522.96/x
  3. Step 3: Cross multiply
    18,209.76x = 27,315.32 × 6,522.96
  4. Step 4: Simplify right side
    18,209.76x = 178,176,707.13
  5. Step 5: Solve for x
    x = 178,176,707.13/18,209.76
  6. Step 6: Final answer
    x = 9,784.68

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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.