Home / 20,564.66-30,859.75-9,472.93

Finding the Fourth Proportional to 20,564.66, 30,859.75 and 9,472.93

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Solution

The fourth proportional to 20,564.66, 30,859.75 and 9,472.93 is: 14,215.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,564.66 : 30,859.75 = 9,472.93 : x
  2. Step 2: Convert to fraction form
    20,564.66/30,859.75 = 9,472.93/x
  3. Step 3: Cross multiply
    20,564.66x = 30,859.75 × 9,472.93
  4. Step 4: Simplify right side
    20,564.66x = 292,332,251.57
  5. Step 5: Solve for x
    x = 292,332,251.57/20,564.66
  6. Step 6: Final answer
    x = 14,215.27

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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.