Home / 19,954.20-29,906.10-10,096.20

Finding the Fourth Proportional to 19,954.20, 29,906.10 and 10,096.20

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Solution

The fourth proportional to 19,954.20, 29,906.10 and 10,096.20 is: 15,131.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,954.20 : 29,906.10 = 10,096.20 : x
  2. Step 2: Convert to fraction form
    19,954.20/29,906.10 = 10,096.20/x
  3. Step 3: Cross multiply
    19,954.20x = 29,906.10 × 10,096.20
  4. Step 4: Simplify right side
    19,954.20x = 301,937,966.82
  5. Step 5: Solve for x
    x = 301,937,966.82/19,954.20
  6. Step 6: Final answer
    x = 15,131.55

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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.