Home / 15,492.92-21,369.42-10,186.04

Finding the Fourth Proportional to 15,492.92, 21,369.42 and 10,186.04

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Solution

The fourth proportional to 15,492.92, 21,369.42 and 10,186.04 is: 14,049.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,492.92 : 21,369.42 = 10,186.04 : x
  2. Step 2: Convert to fraction form
    15,492.92/21,369.42 = 10,186.04/x
  3. Step 3: Cross multiply
    15,492.92x = 21,369.42 × 10,186.04
  4. Step 4: Simplify right side
    15,492.92x = 217,669,766.90
  5. Step 5: Solve for x
    x = 217,669,766.90/15,492.92
  6. Step 6: Final answer
    x = 14,049.63

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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.