Home / 19,492.20-29,217.42-10,122.84

Finding the Fourth Proportional to 19,492.20, 29,217.42 and 10,122.84

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Solution

The fourth proportional to 19,492.20, 29,217.42 and 10,122.84 is: 15,173.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,492.20 : 29,217.42 = 10,122.84 : x
  2. Step 2: Convert to fraction form
    19,492.20/29,217.42 = 10,122.84/x
  3. Step 3: Cross multiply
    19,492.20x = 29,217.42 × 10,122.84
  4. Step 4: Simplify right side
    19,492.20x = 295,763,267.87
  5. Step 5: Solve for x
    x = 295,763,267.87/19,492.20
  6. Step 6: Final answer
    x = 15,173.42

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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.