Home / 35,453.14-53,129.59-19,665.12

Finding the Fourth Proportional to 35,453.14, 53,129.59 and 19,665.12

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Solution

The fourth proportional to 35,453.14, 53,129.59 and 19,665.12 is: 29,469.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,453.14 : 53,129.59 = 19,665.12 : x
  2. Step 2: Convert to fraction form
    35,453.14/53,129.59 = 19,665.12/x
  3. Step 3: Cross multiply
    35,453.14x = 53,129.59 × 19,665.12
  4. Step 4: Simplify right side
    35,453.14x = 1,044,799,912.97
  5. Step 5: Solve for x
    x = 1,044,799,912.97/35,453.14
  6. Step 6: Final answer
    x = 29,469.89

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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.