Home / 35,940.12-53,897.76-13,759.80

Finding the Fourth Proportional to 35,940.12, 53,897.76 and 13,759.80

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Solution

The fourth proportional to 35,940.12, 53,897.76 and 13,759.80 is: 20,634.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,940.12 : 53,897.76 = 13,759.80 : x
  2. Step 2: Convert to fraction form
    35,940.12/53,897.76 = 13,759.80/x
  3. Step 3: Cross multiply
    35,940.12x = 53,897.76 × 13,759.80
  4. Step 4: Simplify right side
    35,940.12x = 741,622,398.05
  5. Step 5: Solve for x
    x = 741,622,398.05/35,940.12
  6. Step 6: Final answer
    x = 20,634.94

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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.