Home / 35,665.70-53,499.27-13,489.58

Finding the Fourth Proportional to 35,665.70, 53,499.27 and 13,489.58

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Solution

The fourth proportional to 35,665.70, 53,499.27 and 13,489.58 is: 20,234.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,665.70 : 53,499.27 = 13,489.58 : x
  2. Step 2: Convert to fraction form
    35,665.70/53,499.27 = 13,489.58/x
  3. Step 3: Cross multiply
    35,665.70x = 53,499.27 × 13,489.58
  4. Step 4: Simplify right side
    35,665.70x = 721,682,682.61
  5. Step 5: Solve for x
    x = 721,682,682.61/35,665.70
  6. Step 6: Final answer
    x = 20,234.64

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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.