Home / 19,763.24-27,270.66-12,699.26

Finding the Fourth Proportional to 19,763.24, 27,270.66 and 12,699.26

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Solution

The fourth proportional to 19,763.24, 27,270.66 and 12,699.26 is: 17,523.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763.24 : 27,270.66 = 12,699.26 : x
  2. Step 2: Convert to fraction form
    19,763.24/27,270.66 = 12,699.26/x
  3. Step 3: Cross multiply
    19,763.24x = 27,270.66 × 12,699.26
  4. Step 4: Simplify right side
    19,763.24x = 346,317,201.71
  5. Step 5: Solve for x
    x = 346,317,201.71/19,763.24
  6. Step 6: Final answer
    x = 17,523.30

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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.