Home / 15,648.06-21,596.13-8,934.66

Finding the Fourth Proportional to 15,648.06, 21,596.13 and 8,934.66

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Solution

The fourth proportional to 15,648.06, 21,596.13 and 8,934.66 is: 12,330.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,648.06 : 21,596.13 = 8,934.66 : x
  2. Step 2: Convert to fraction form
    15,648.06/21,596.13 = 8,934.66/x
  3. Step 3: Cross multiply
    15,648.06x = 21,596.13 × 8,934.66
  4. Step 4: Simplify right side
    15,648.06x = 192,954,078.87
  5. Step 5: Solve for x
    x = 192,954,078.87/15,648.06
  6. Step 6: Final answer
    x = 12,330.86

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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.