Home / 13,841.52-19,103.75-8,175.90

Finding the Fourth Proportional to 13,841.52, 19,103.75 and 8,175.90

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Solution

The fourth proportional to 13,841.52, 19,103.75 and 8,175.90 is: 11,284.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.52 : 19,103.75 = 8,175.90 : x
  2. Step 2: Convert to fraction form
    13,841.52/19,103.75 = 8,175.90/x
  3. Step 3: Cross multiply
    13,841.52x = 19,103.75 × 8,175.90
  4. Step 4: Simplify right side
    13,841.52x = 156,190,349.63
  5. Step 5: Solve for x
    x = 156,190,349.63/13,841.52
  6. Step 6: Final answer
    x = 11,284.19

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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.