Home / 35,610.14-53,415.14-13,428.49

Finding the Fourth Proportional to 35,610.14, 53,415.14 and 13,428.49

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Solution

The fourth proportional to 35,610.14, 53,415.14 and 13,428.49 is: 20,142.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,610.14 : 53,415.14 = 13,428.49 : x
  2. Step 2: Convert to fraction form
    35,610.14/53,415.14 = 13,428.49/x
  3. Step 3: Cross multiply
    35,610.14x = 53,415.14 × 13,428.49
  4. Step 4: Simplify right side
    35,610.14x = 717,284,673.34
  5. Step 5: Solve for x
    x = 717,284,673.34/35,610.14
  6. Step 6: Final answer
    x = 20,142.71

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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.