Home / 13,492.20-20,195.10-7,236.84

Finding the Fourth Proportional to 13,492.20, 20,195.10 and 7,236.84

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Solution

The fourth proportional to 13,492.20, 20,195.10 and 7,236.84 is: 10,832.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.20 : 20,195.10 = 7,236.84 : x
  2. Step 2: Convert to fraction form
    13,492.20/20,195.10 = 7,236.84/x
  3. Step 3: Cross multiply
    13,492.20x = 20,195.10 × 7,236.84
  4. Step 4: Simplify right side
    13,492.20x = 146,148,707.48
  5. Step 5: Solve for x
    x = 146,148,707.48/13,492.20
  6. Step 6: Final answer
    x = 10,832.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.