Home / 35,828.80-53,743.20-13,634.80

Finding the Fourth Proportional to 35,828.80, 53,743.20 and 13,634.80

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Solution

The fourth proportional to 35,828.80, 53,743.20 and 13,634.80 is: 20,452.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,828.80 : 53,743.20 = 13,634.80 : x
  2. Step 2: Convert to fraction form
    35,828.80/53,743.20 = 13,634.80/x
  3. Step 3: Cross multiply
    35,828.80x = 53,743.20 × 13,634.80
  4. Step 4: Simplify right side
    35,828.80x = 732,777,783.36
  5. Step 5: Solve for x
    x = 732,777,783.36/35,828.80
  6. Step 6: Final answer
    x = 20,452.20

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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.