Home / 19,261.53-28,896.73-8,168.65

Finding the Fourth Proportional to 19,261.53, 28,896.73 and 8,168.65

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Solution

The fourth proportional to 19,261.53, 28,896.73 and 8,168.65 is: 12,254.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.53 : 28,896.73 = 8,168.65 : x
  2. Step 2: Convert to fraction form
    19,261.53/28,896.73 = 8,168.65/x
  3. Step 3: Cross multiply
    19,261.53x = 28,896.73 × 8,168.65
  4. Step 4: Simplify right side
    19,261.53x = 236,047,180.85
  5. Step 5: Solve for x
    x = 236,047,180.85/19,261.53
  6. Step 6: Final answer
    x = 12,254.85

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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.