Home / 27,278.25-37,644.39-16,665.63

Finding the Fourth Proportional to 27,278.25, 37,644.39 and 16,665.63

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Solution

The fourth proportional to 27,278.25, 37,644.39 and 16,665.63 is: 22,998.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,278.25 : 37,644.39 = 16,665.63 : x
  2. Step 2: Convert to fraction form
    27,278.25/37,644.39 = 16,665.63/x
  3. Step 3: Cross multiply
    27,278.25x = 37,644.39 × 16,665.63
  4. Step 4: Simplify right side
    27,278.25x = 627,367,475.32
  5. Step 5: Solve for x
    x = 627,367,475.32/27,278.25
  6. Step 6: Final answer
    x = 22,998.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.