Home / 21,834.27-30,113.66-14,662.02

Finding the Fourth Proportional to 21,834.27, 30,113.66 and 14,662.02

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Solution

The fourth proportional to 21,834.27, 30,113.66 and 14,662.02 is: 20,221.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,834.27 : 30,113.66 = 14,662.02 : x
  2. Step 2: Convert to fraction form
    21,834.27/30,113.66 = 14,662.02/x
  3. Step 3: Cross multiply
    21,834.27x = 30,113.66 × 14,662.02
  4. Step 4: Simplify right side
    21,834.27x = 441,527,011.88
  5. Step 5: Solve for x
    x = 441,527,011.88/21,834.27
  6. Step 6: Final answer
    x = 20,221.74

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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.