Home / 19,933.74-27,500.01-12,761.89

Finding the Fourth Proportional to 19,933.74, 27,500.01 and 12,761.89

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Solution

The fourth proportional to 19,933.74, 27,500.01 and 12,761.89 is: 17,605.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.74 : 27,500.01 = 12,761.89 : x
  2. Step 2: Convert to fraction form
    19,933.74/27,500.01 = 12,761.89/x
  3. Step 3: Cross multiply
    19,933.74x = 27,500.01 × 12,761.89
  4. Step 4: Simplify right side
    19,933.74x = 350,952,102.62
  5. Step 5: Solve for x
    x = 350,952,102.62/19,933.74
  6. Step 6: Final answer
    x = 17,605.93

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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.