Home / 14,942.07-20,620.06-8,227.68

Finding the Fourth Proportional to 14,942.07, 20,620.06 and 8,227.68

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Solution

The fourth proportional to 14,942.07, 20,620.06 and 8,227.68 is: 11,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,942.07 : 20,620.06 = 8,227.68 : x
  2. Step 2: Convert to fraction form
    14,942.07/20,620.06 = 8,227.68/x
  3. Step 3: Cross multiply
    14,942.07x = 20,620.06 × 8,227.68
  4. Step 4: Simplify right side
    14,942.07x = 169,655,389.20
  5. Step 5: Solve for x
    x = 169,655,389.20/14,942.07
  6. Step 6: Final answer
    x = 11,354.21

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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.