Home / 19,690.09-29,536.97-7,841.00

Finding the Fourth Proportional to 19,690.09, 29,536.97 and 7,841.00

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Solution

The fourth proportional to 19,690.09, 29,536.97 and 7,841.00 is: 11,762.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.09 : 29,536.97 = 7,841.00 : x
  2. Step 2: Convert to fraction form
    19,690.09/29,536.97 = 7,841.00/x
  3. Step 3: Cross multiply
    19,690.09x = 29,536.97 × 7,841.00
  4. Step 4: Simplify right side
    19,690.09x = 231,599,491.17
  5. Step 5: Solve for x
    x = 231,599,491.17/19,690.09
  6. Step 6: Final answer
    x = 11,762.24

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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.