Home / 19,817.91-27,333.07-17,551.63

Finding the Fourth Proportional to 19,817.91, 27,333.07 and 17,551.63

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Solution

The fourth proportional to 19,817.91, 27,333.07 and 17,551.63 is: 24,207.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,817.91 : 27,333.07 = 17,551.63 : x
  2. Step 2: Convert to fraction form
    19,817.91/27,333.07 = 17,551.63/x
  3. Step 3: Cross multiply
    19,817.91x = 27,333.07 × 17,551.63
  4. Step 4: Simplify right side
    19,817.91x = 479,739,843.65
  5. Step 5: Solve for x
    x = 479,739,843.65/19,817.91
  6. Step 6: Final answer
    x = 24,207.39

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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.