Home / 18,492.22-25,513.68-10,939.42

Finding the Fourth Proportional to 18,492.22, 25,513.68 and 10,939.42

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Solution

The fourth proportional to 18,492.22, 25,513.68 and 10,939.42 is: 15,093.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,492.22 : 25,513.68 = 10,939.42 : x
  2. Step 2: Convert to fraction form
    18,492.22/25,513.68 = 10,939.42/x
  3. Step 3: Cross multiply
    18,492.22x = 25,513.68 × 10,939.42
  4. Step 4: Simplify right side
    18,492.22x = 279,104,861.27
  5. Step 5: Solve for x
    x = 279,104,861.27/18,492.22
  6. Step 6: Final answer
    x = 15,093.10

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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.