Home / 19,837.80-29,747.10-11,063.40

Finding the Fourth Proportional to 19,837.80, 29,747.10 and 11,063.40

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Solution

The fourth proportional to 19,837.80, 29,747.10 and 11,063.40 is: 16,589.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,837.80 : 29,747.10 = 11,063.40 : x
  2. Step 2: Convert to fraction form
    19,837.80/29,747.10 = 11,063.40/x
  3. Step 3: Cross multiply
    19,837.80x = 29,747.10 × 11,063.40
  4. Step 4: Simplify right side
    19,837.80x = 329,104,066.14
  5. Step 5: Solve for x
    x = 329,104,066.14/19,837.80
  6. Step 6: Final answer
    x = 16,589.75

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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.