Home / 19,739.88-27,250.47-11,674.89

Finding the Fourth Proportional to 19,739.88, 27,250.47 and 11,674.89

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Solution

The fourth proportional to 19,739.88, 27,250.47 and 11,674.89 is: 16,116.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.88 : 27,250.47 = 11,674.89 : x
  2. Step 2: Convert to fraction form
    19,739.88/27,250.47 = 11,674.89/x
  3. Step 3: Cross multiply
    19,739.88x = 27,250.47 × 11,674.89
  4. Step 4: Simplify right side
    19,739.88x = 318,146,239.70
  5. Step 5: Solve for x
    x = 318,146,239.70/19,739.88
  6. Step 6: Final answer
    x = 16,116.93

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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.