Home / 14,080.82-19,435.85-8,116.47

Finding the Fourth Proportional to 14,080.82, 19,435.85 and 8,116.47

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Solution

The fourth proportional to 14,080.82, 19,435.85 and 8,116.47 is: 11,203.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,080.82 : 19,435.85 = 8,116.47 : x
  2. Step 2: Convert to fraction form
    14,080.82/19,435.85 = 8,116.47/x
  3. Step 3: Cross multiply
    14,080.82x = 19,435.85 × 8,116.47
  4. Step 4: Simplify right side
    14,080.82x = 157,750,513.74
  5. Step 5: Solve for x
    x = 157,750,513.74/14,080.82
  6. Step 6: Final answer
    x = 11,203.22

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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.