Home / 13,852.26-19,116.10-8,189.05

Finding the Fourth Proportional to 13,852.26, 19,116.10 and 8,189.05

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Solution

The fourth proportional to 13,852.26, 19,116.10 and 8,189.05 is: 11,300.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852.26 : 19,116.10 = 8,189.05 : x
  2. Step 2: Convert to fraction form
    13,852.26/19,116.10 = 8,189.05/x
  3. Step 3: Cross multiply
    13,852.26x = 19,116.10 × 8,189.05
  4. Step 4: Simplify right side
    13,852.26x = 156,542,698.71
  5. Step 5: Solve for x
    x = 156,542,698.71/13,852.26
  6. Step 6: Final answer
    x = 11,300.88

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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.