Home / 20,217.52-27,906.42-12,263.32

Finding the Fourth Proportional to 20,217.52, 27,906.42 and 12,263.32

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Solution

The fourth proportional to 20,217.52, 27,906.42 and 12,263.32 is: 16,927.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,217.52 : 27,906.42 = 12,263.32 : x
  2. Step 2: Convert to fraction form
    20,217.52/27,906.42 = 12,263.32/x
  3. Step 3: Cross multiply
    20,217.52x = 27,906.42 × 12,263.32
  4. Step 4: Simplify right side
    20,217.52x = 342,225,358.51
  5. Step 5: Solve for x
    x = 342,225,358.51/20,217.52
  6. Step 6: Final answer
    x = 16,927.17

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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.