Home / 19,941.94-27,520.17-11,445.44

Finding the Fourth Proportional to 19,941.94, 27,520.17 and 11,445.44

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Solution

The fourth proportional to 19,941.94, 27,520.17 and 11,445.44 is: 15,794.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,941.94 : 27,520.17 = 11,445.44 : x
  2. Step 2: Convert to fraction form
    19,941.94/27,520.17 = 11,445.44/x
  3. Step 3: Cross multiply
    19,941.94x = 27,520.17 × 11,445.44
  4. Step 4: Simplify right side
    19,941.94x = 314,980,454.52
  5. Step 5: Solve for x
    x = 314,980,454.52/19,941.94
  6. Step 6: Final answer
    x = 15,794.88

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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.