Home / 14,963.06-20,648.97-8,679.02

Finding the Fourth Proportional to 14,963.06, 20,648.97 and 8,679.02

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Solution

The fourth proportional to 14,963.06, 20,648.97 and 8,679.02 is: 11,977.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,963.06 : 20,648.97 = 8,679.02 : x
  2. Step 2: Convert to fraction form
    14,963.06/20,648.97 = 8,679.02/x
  3. Step 3: Cross multiply
    14,963.06x = 20,648.97 × 8,679.02
  4. Step 4: Simplify right side
    14,963.06x = 179,212,823.61
  5. Step 5: Solve for x
    x = 179,212,823.61/14,963.06
  6. Step 6: Final answer
    x = 11,977.02

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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.