Home / 13,625.81-18,791.91-8,841.04

Finding the Fourth Proportional to 13,625.81, 18,791.91 and 8,841.04

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Solution

The fourth proportional to 13,625.81, 18,791.91 and 8,841.04 is: 12,193.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625.81 : 18,791.91 = 8,841.04 : x
  2. Step 2: Convert to fraction form
    13,625.81/18,791.91 = 8,841.04/x
  3. Step 3: Cross multiply
    13,625.81x = 18,791.91 × 8,841.04
  4. Step 4: Simplify right side
    13,625.81x = 166,139,911.07
  5. Step 5: Solve for x
    x = 166,139,911.07/13,625.81
  6. Step 6: Final answer
    x = 12,193.03

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1.5x scale

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.