Home / 26,361.96-39,543.10-7,894.12

Finding the Fourth Proportional to 26,361.96, 39,543.10 and 7,894.12

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Solution

The fourth proportional to 26,361.96, 39,543.10 and 7,894.12 is: 11,841.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,361.96 : 39,543.10 = 7,894.12 : x
  2. Step 2: Convert to fraction form
    26,361.96/39,543.10 = 7,894.12/x
  3. Step 3: Cross multiply
    26,361.96x = 39,543.10 × 7,894.12
  4. Step 4: Simplify right side
    26,361.96x = 312,157,976.57
  5. Step 5: Solve for x
    x = 312,157,976.57/26,361.96
  6. Step 6: Final answer
    x = 11,841.23

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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.