Home / 13,558.47-20,334.06-4,791.03

Finding the Fourth Proportional to 13,558.47, 20,334.06 and 4,791.03

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Solution

The fourth proportional to 13,558.47, 20,334.06 and 4,791.03 is: 7,185.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558.47 : 20,334.06 = 4,791.03 : x
  2. Step 2: Convert to fraction form
    13,558.47/20,334.06 = 4,791.03/x
  3. Step 3: Cross multiply
    13,558.47x = 20,334.06 × 4,791.03
  4. Step 4: Simplify right side
    13,558.47x = 97,421,091.48
  5. Step 5: Solve for x
    x = 97,421,091.48/13,558.47
  6. Step 6: Final answer
    x = 7,185.26

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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.