Home / 15,834.43-21,851.85-9,467.61

Finding the Fourth Proportional to 15,834.43, 21,851.85 and 9,467.61

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Solution

The fourth proportional to 15,834.43, 21,851.85 and 9,467.61 is: 13,065.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,834.43 : 21,851.85 = 9,467.61 : x
  2. Step 2: Convert to fraction form
    15,834.43/21,851.85 = 9,467.61/x
  3. Step 3: Cross multiply
    15,834.43x = 21,851.85 × 9,467.61
  4. Step 4: Simplify right side
    15,834.43x = 206,884,684.32
  5. Step 5: Solve for x
    x = 206,884,684.32/15,834.43
  6. Step 6: Final answer
    x = 13,065.50

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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.