Home / 15,834.27-21,850.61-8,760.23

Finding the Fourth Proportional to 15,834.27, 21,850.61 and 8,760.23

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Solution

The fourth proportional to 15,834.27, 21,850.61 and 8,760.23 is: 12,088.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,834.27 : 21,850.61 = 8,760.23 : x
  2. Step 2: Convert to fraction form
    15,834.27/21,850.61 = 8,760.23/x
  3. Step 3: Cross multiply
    15,834.27x = 21,850.61 × 8,760.23
  4. Step 4: Simplify right side
    15,834.27x = 191,416,216.19
  5. Step 5: Solve for x
    x = 191,416,216.19/15,834.27
  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.