Home / 14,801.11-20,425.30-8,086.60

Finding the Fourth Proportional to 14,801.11, 20,425.30 and 8,086.60

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Solution

The fourth proportional to 14,801.11, 20,425.30 and 8,086.60 is: 11,159.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,801.11 : 20,425.30 = 8,086.60 : x
  2. Step 2: Convert to fraction form
    14,801.11/20,425.30 = 8,086.60/x
  3. Step 3: Cross multiply
    14,801.11x = 20,425.30 × 8,086.60
  4. Step 4: Simplify right side
    14,801.11x = 165,171,106.24
  5. Step 5: Solve for x
    x = 165,171,106.24/14,801.11
  6. Step 6: Final answer
    x = 11,159.37

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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.