Home / 18,156.32-27,229.88-6,466.80

Finding the Fourth Proportional to 18,156.32, 27,229.88 and 6,466.80

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Solution

The fourth proportional to 18,156.32, 27,229.88 and 6,466.80 is: 9,698.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.32 : 27,229.88 = 6,466.80 : x
  2. Step 2: Convert to fraction form
    18,156.32/27,229.88 = 6,466.80/x
  3. Step 3: Cross multiply
    18,156.32x = 27,229.88 × 6,466.80
  4. Step 4: Simplify right side
    18,156.32x = 176,090,155.65
  5. Step 5: Solve for x
    x = 176,090,155.65/18,156.32
  6. Step 6: Final answer
    x = 9,698.56

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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.