Home / 19,581.69-27,002.86-16,758.43

Finding the Fourth Proportional to 19,581.69, 27,002.86 and 16,758.43

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Solution

The fourth proportional to 19,581.69, 27,002.86 and 16,758.43 is: 23,109.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.69 : 27,002.86 = 16,758.43 : x
  2. Step 2: Convert to fraction form
    19,581.69/27,002.86 = 16,758.43/x
  3. Step 3: Cross multiply
    19,581.69x = 27,002.86 × 16,758.43
  4. Step 4: Simplify right side
    19,581.69x = 452,525,539.11
  5. Step 5: Solve for x
    x = 452,525,539.11/19,581.69
  6. Step 6: Final answer
    x = 23,109.63

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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.