Home / 19,190.63-28,749.02-11,773.43

Finding the Fourth Proportional to 19,190.63, 28,749.02 and 11,773.43

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Solution

The fourth proportional to 19,190.63, 28,749.02 and 11,773.43 is: 17,637.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190.63 : 28,749.02 = 11,773.43 : x
  2. Step 2: Convert to fraction form
    19,190.63/28,749.02 = 11,773.43/x
  3. Step 3: Cross multiply
    19,190.63x = 28,749.02 × 11,773.43
  4. Step 4: Simplify right side
    19,190.63x = 338,474,515.67
  5. Step 5: Solve for x
    x = 338,474,515.67/19,190.63
  6. Step 6: Final answer
    x = 17,637.49

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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.