Home / 13,914.97-19,203.65-8,612.85

Finding the Fourth Proportional to 13,914.97, 19,203.65 and 8,612.85

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Solution

The fourth proportional to 13,914.97, 19,203.65 and 8,612.85 is: 11,886.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.97 : 19,203.65 = 8,612.85 : x
  2. Step 2: Convert to fraction form
    13,914.97/19,203.65 = 8,612.85/x
  3. Step 3: Cross multiply
    13,914.97x = 19,203.65 × 8,612.85
  4. Step 4: Simplify right side
    13,914.97x = 165,398,156.90
  5. Step 5: Solve for x
    x = 165,398,156.90/13,914.97
  6. Step 6: Final answer
    x = 11,886.35

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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.