Home / 13,014.82-17,948.16-8,542.44

Finding the Fourth Proportional to 13,014.82, 17,948.16 and 8,542.44

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Solution

The fourth proportional to 13,014.82, 17,948.16 and 8,542.44 is: 11,780.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014.82 : 17,948.16 = 8,542.44 : x
  2. Step 2: Convert to fraction form
    13,014.82/17,948.16 = 8,542.44/x
  3. Step 3: Cross multiply
    13,014.82x = 17,948.16 × 8,542.44
  4. Step 4: Simplify right side
    13,014.82x = 153,321,079.91
  5. Step 5: Solve for x
    x = 153,321,079.91/13,014.82
  6. Step 6: Final answer
    x = 11,780.50

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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.