Home / 35,665.20-53,498.52-13,489.08

Finding the Fourth Proportional to 35,665.20, 53,498.52 and 13,489.08

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Solution

The fourth proportional to 35,665.20, 53,498.52 and 13,489.08 is: 20,233.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,665.20 : 53,498.52 = 13,489.08 : x
  2. Step 2: Convert to fraction form
    35,665.20/53,498.52 = 13,489.08/x
  3. Step 3: Cross multiply
    35,665.20x = 53,498.52 × 13,489.08
  4. Step 4: Simplify right side
    35,665.20x = 721,645,816.16
  5. Step 5: Solve for x
    x = 721,645,816.16/35,665.20
  6. Step 6: Final answer
    x = 20,233.89

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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.