Home / 14,754.20-22,131.30-8,922.20

Finding the Fourth Proportional to 14,754.20, 22,131.30 and 8,922.20

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Solution

The fourth proportional to 14,754.20, 22,131.30 and 8,922.20 is: 13,383.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,754.20 : 22,131.30 = 8,922.20 : x
  2. Step 2: Convert to fraction form
    14,754.20/22,131.30 = 8,922.20/x
  3. Step 3: Cross multiply
    14,754.20x = 22,131.30 × 8,922.20
  4. Step 4: Simplify right side
    14,754.20x = 197,459,884.86
  5. Step 5: Solve for x
    x = 197,459,884.86/14,754.20
  6. Step 6: Final answer
    x = 13,383.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.