Home / 35,644.05-53,458.79-12,272.31

Finding the Fourth Proportional to 35,644.05, 53,458.79 and 12,272.31

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Solution

The fourth proportional to 35,644.05, 53,458.79 and 12,272.31 is: 18,405.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,644.05 : 53,458.79 = 12,272.31 : x
  2. Step 2: Convert to fraction form
    35,644.05/53,458.79 = 12,272.31/x
  3. Step 3: Cross multiply
    35,644.05x = 53,458.79 × 12,272.31
  4. Step 4: Simplify right side
    35,644.05x = 656,062,781.74
  5. Step 5: Solve for x
    x = 656,062,781.74/35,644.05
  6. Step 6: Final answer
    x = 18,405.96

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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.