Home / 33,144.96-45,735.36-18,998.40

Finding the Fourth Proportional to 33,144.96, 45,735.36 and 18,998.40

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Solution

The fourth proportional to 33,144.96, 45,735.36 and 18,998.40 is: 26,215.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,144.96 : 45,735.36 = 18,998.40 : x
  2. Step 2: Convert to fraction form
    33,144.96/45,735.36 = 18,998.40/x
  3. Step 3: Cross multiply
    33,144.96x = 45,735.36 × 18,998.40
  4. Step 4: Simplify right side
    33,144.96x = 868,898,663.42
  5. Step 5: Solve for x
    x = 868,898,663.42/33,144.96
  6. Step 6: Final answer
    x = 26,215.11

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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.