Home / 53,666.39-80,511.53-17,644.48

Finding the Fourth Proportional to 53,666.39, 80,511.53 and 17,644.48

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Solution

The fourth proportional to 53,666.39, 80,511.53 and 17,644.48 is: 26,470.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,666.39 : 80,511.53 = 17,644.48 : x
  2. Step 2: Convert to fraction form
    53,666.39/80,511.53 = 17,644.48/x
  3. Step 3: Cross multiply
    53,666.39x = 80,511.53 × 17,644.48
  4. Step 4: Simplify right side
    53,666.39x = 1,420,583,791.35
  5. Step 5: Solve for x
    x = 1,420,583,791.35/53,666.39
  6. Step 6: Final answer
    x = 26,470.64

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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.