Home / 19,440.33-29,157.04-5,401.34

Finding the Fourth Proportional to 19,440.33, 29,157.04 and 5,401.34

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Solution

The fourth proportional to 19,440.33, 29,157.04 and 5,401.34 is: 8,101.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440.33 : 29,157.04 = 5,401.34 : x
  2. Step 2: Convert to fraction form
    19,440.33/29,157.04 = 5,401.34/x
  3. Step 3: Cross multiply
    19,440.33x = 29,157.04 × 5,401.34
  4. Step 4: Simplify right side
    19,440.33x = 157,487,086.43
  5. Step 5: Solve for x
    x = 157,487,086.43/19,440.33
  6. Step 6: Final answer
    x = 8,101.05

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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.