Home / 13,159.44-19,720.71-5,748.48

Finding the Fourth Proportional to 13,159.44, 19,720.71 and 5,748.48

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Solution

The fourth proportional to 13,159.44, 19,720.71 and 5,748.48 is: 8,614.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159.44 : 19,720.71 = 5,748.48 : x
  2. Step 2: Convert to fraction form
    13,159.44/19,720.71 = 5,748.48/x
  3. Step 3: Cross multiply
    13,159.44x = 19,720.71 × 5,748.48
  4. Step 4: Simplify right side
    13,159.44x = 113,364,107.02
  5. Step 5: Solve for x
    x = 113,364,107.02/13,159.44
  6. Step 6: Final answer
    x = 8,614.66

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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.