Home / 19,937.40-27,517.58-11,445.26

Finding the Fourth Proportional to 19,937.40, 27,517.58 and 11,445.26

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Solution

The fourth proportional to 19,937.40, 27,517.58 and 11,445.26 is: 15,796.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937.40 : 27,517.58 = 11,445.26 : x
  2. Step 2: Convert to fraction form
    19,937.40/27,517.58 = 11,445.26/x
  3. Step 3: Cross multiply
    19,937.40x = 27,517.58 × 11,445.26
  4. Step 4: Simplify right side
    19,937.40x = 314,945,705.78
  5. Step 5: Solve for x
    x = 314,945,705.78/19,937.40
  6. Step 6: Final answer
    x = 15,796.73

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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.