Home / 19,996.86-27,599.20-11,498.31

Finding the Fourth Proportional to 19,996.86, 27,599.20 and 11,498.31

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Solution

The fourth proportional to 19,996.86, 27,599.20 and 11,498.31 is: 15,869.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996.86 : 27,599.20 = 11,498.31 : x
  2. Step 2: Convert to fraction form
    19,996.86/27,599.20 = 11,498.31/x
  3. Step 3: Cross multiply
    19,996.86x = 27,599.20 × 11,498.31
  4. Step 4: Simplify right side
    19,996.86x = 317,344,157.35
  5. Step 5: Solve for x
    x = 317,344,157.35/19,996.86
  6. Step 6: Final answer
    x = 15,869.70

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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.