Home / 19,570.56-27,003.15-11,615.43

Finding the Fourth Proportional to 19,570.56, 27,003.15 and 11,615.43

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Solution

The fourth proportional to 19,570.56, 27,003.15 and 11,615.43 is: 16,026.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570.56 : 27,003.15 = 11,615.43 : x
  2. Step 2: Convert to fraction form
    19,570.56/27,003.15 = 11,615.43/x
  3. Step 3: Cross multiply
    19,570.56x = 27,003.15 × 11,615.43
  4. Step 4: Simplify right side
    19,570.56x = 313,653,198.60
  5. Step 5: Solve for x
    x = 313,653,198.60/19,570.56
  6. Step 6: Final answer
    x = 16,026.79

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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.