Home / 19,763.60-29,619.27-11,840.58

Finding the Fourth Proportional to 19,763.60, 29,619.27 and 11,840.58

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Solution

The fourth proportional to 19,763.60, 29,619.27 and 11,840.58 is: 17,745.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763.60 : 29,619.27 = 11,840.58 : x
  2. Step 2: Convert to fraction form
    19,763.60/29,619.27 = 11,840.58/x
  3. Step 3: Cross multiply
    19,763.60x = 29,619.27 × 11,840.58
  4. Step 4: Simplify right side
    19,763.60x = 350,709,335.98
  5. Step 5: Solve for x
    x = 350,709,335.98/19,763.60
  6. Step 6: Final answer
    x = 17,745.22

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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.