Home / 13,847.09-19,104.82-8,182.35

Finding the Fourth Proportional to 13,847.09, 19,104.82 and 8,182.35

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Solution

The fourth proportional to 13,847.09, 19,104.82 and 8,182.35 is: 11,289.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,847.09 : 19,104.82 = 8,182.35 : x
  2. Step 2: Convert to fraction form
    13,847.09/19,104.82 = 8,182.35/x
  3. Step 3: Cross multiply
    13,847.09x = 19,104.82 × 8,182.35
  4. Step 4: Simplify right side
    13,847.09x = 156,322,303.47
  5. Step 5: Solve for x
    x = 156,322,303.47/13,847.09
  6. Step 6: Final answer
    x = 11,289.18

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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.