Home / 20,167.92-27,834.30-12,210.48

Finding the Fourth Proportional to 20,167.92, 27,834.30 and 12,210.48

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Solution

The fourth proportional to 20,167.92, 27,834.30 and 12,210.48 is: 16,852.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,167.92 : 27,834.30 = 12,210.48 : x
  2. Step 2: Convert to fraction form
    20,167.92/27,834.30 = 12,210.48/x
  3. Step 3: Cross multiply
    20,167.92x = 27,834.30 × 12,210.48
  4. Step 4: Simplify right side
    20,167.92x = 339,870,163.46
  5. Step 5: Solve for x
    x = 339,870,163.46/20,167.92
  6. Step 6: Final answer
    x = 16,852.02

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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.