Home / 20,834.69-28,765.31-18,592.74

Finding the Fourth Proportional to 20,834.69, 28,765.31 and 18,592.74

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Solution

The fourth proportional to 20,834.69, 28,765.31 and 18,592.74 is: 25,669.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,834.69 : 28,765.31 = 18,592.74 : x
  2. Step 2: Convert to fraction form
    20,834.69/28,765.31 = 18,592.74/x
  3. Step 3: Cross multiply
    20,834.69x = 28,765.31 × 18,592.74
  4. Step 4: Simplify right side
    20,834.69x = 534,825,836.89
  5. Step 5: Solve for x
    x = 534,825,836.89/20,834.69
  6. Step 6: Final answer
    x = 25,669.97

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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.