Home / 19,818.44-27,352.24-12,267.20

Finding the Fourth Proportional to 19,818.44, 27,352.24 and 12,267.20

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Solution

The fourth proportional to 19,818.44, 27,352.24 and 12,267.20 is: 16,930.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.44 : 27,352.24 = 12,267.20 : x
  2. Step 2: Convert to fraction form
    19,818.44/27,352.24 = 12,267.20/x
  3. Step 3: Cross multiply
    19,818.44x = 27,352.24 × 12,267.20
  4. Step 4: Simplify right side
    19,818.44x = 335,535,398.53
  5. Step 5: Solve for x
    x = 335,535,398.53/19,818.44
  6. Step 6: Final answer
    x = 16,930.46

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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.