Home / 14,716.56-20,302.80-8,425.44

Finding the Fourth Proportional to 14,716.56, 20,302.80 and 8,425.44

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Solution

The fourth proportional to 14,716.56, 20,302.80 and 8,425.44 is: 11,623.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,716.56 : 20,302.80 = 8,425.44 : x
  2. Step 2: Convert to fraction form
    14,716.56/20,302.80 = 8,425.44/x
  3. Step 3: Cross multiply
    14,716.56x = 20,302.80 × 8,425.44
  4. Step 4: Simplify right side
    14,716.56x = 171,060,023.23
  5. Step 5: Solve for x
    x = 171,060,023.23/14,716.56
  6. Step 6: Final answer
    x = 11,623.64

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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.