Home / 13,939.63-19,233.80-8,273.58

Finding the Fourth Proportional to 13,939.63, 19,233.80 and 8,273.58

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Solution

The fourth proportional to 13,939.63, 19,233.80 and 8,273.58 is: 11,415.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,939.63 : 19,233.80 = 8,273.58 : x
  2. Step 2: Convert to fraction form
    13,939.63/19,233.80 = 8,273.58/x
  3. Step 3: Cross multiply
    13,939.63x = 19,233.80 × 8,273.58
  4. Step 4: Simplify right side
    13,939.63x = 159,132,286.84
  5. Step 5: Solve for x
    x = 159,132,286.84/13,939.63
  6. Step 6: Final answer
    x = 11,415.82

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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.