Home / 35,998.20-53,971.68-13,792.80

Finding the Fourth Proportional to 35,998.20, 53,971.68 and 13,792.80

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Solution

The fourth proportional to 35,998.20, 53,971.68 and 13,792.80 is: 20,679.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,998.20 : 53,971.68 = 13,792.80 : x
  2. Step 2: Convert to fraction form
    35,998.20/53,971.68 = 13,792.80/x
  3. Step 3: Cross multiply
    35,998.20x = 53,971.68 × 13,792.80
  4. Step 4: Simplify right side
    35,998.20x = 744,420,587.90
  5. Step 5: Solve for x
    x = 744,420,587.90/35,998.20
  6. Step 6: Final answer
    x = 20,679.38

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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.