Home / 15,834.26-21,849.80-8,760.54

Finding the Fourth Proportional to 15,834.26, 21,849.80 and 8,760.54

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Solution

The fourth proportional to 15,834.26, 21,849.80 and 8,760.54 is: 12,088.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,834.26 : 21,849.80 = 8,760.54 : x
  2. Step 2: Convert to fraction form
    15,834.26/21,849.80 = 8,760.54/x
  3. Step 3: Cross multiply
    15,834.26x = 21,849.80 × 8,760.54
  4. Step 4: Simplify right side
    15,834.26x = 191,416,046.89
  5. Step 5: Solve for x
    x = 191,416,046.89/15,834.26
  6. Step 6: Final answer
    x = 12,088.73

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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.