Home / 19,631.90-27,092.13-11,672.57

Finding the Fourth Proportional to 19,631.90, 27,092.13 and 11,672.57

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Solution

The fourth proportional to 19,631.90, 27,092.13 and 11,672.57 is: 16,108.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631.90 : 27,092.13 = 11,672.57 : x
  2. Step 2: Convert to fraction form
    19,631.90/27,092.13 = 11,672.57/x
  3. Step 3: Cross multiply
    19,631.90x = 27,092.13 × 11,672.57
  4. Step 4: Simplify right side
    19,631.90x = 316,234,783.87
  5. Step 5: Solve for x
    x = 316,234,783.87/19,631.90
  6. Step 6: Final answer
    x = 16,108.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.