Home / 17,326.49-25,989.71-4,178.86

Finding the Fourth Proportional to 17,326.49, 25,989.71 and 4,178.86

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Solution

The fourth proportional to 17,326.49, 25,989.71 and 4,178.86 is: 6,268.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,326.49 : 25,989.71 = 4,178.86 : x
  2. Step 2: Convert to fraction form
    17,326.49/25,989.71 = 4,178.86/x
  3. Step 3: Cross multiply
    17,326.49x = 25,989.71 × 4,178.86
  4. Step 4: Simplify right side
    17,326.49x = 108,607,273.66
  5. Step 5: Solve for x
    x = 108,607,273.66/17,326.49
  6. Step 6: Final answer
    x = 6,268.28

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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.