Home / 13,849.56-19,116.36-8,185.26

Finding the Fourth Proportional to 13,849.56, 19,116.36 and 8,185.26

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Solution

The fourth proportional to 13,849.56, 19,116.36 and 8,185.26 is: 11,298.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.56 : 19,116.36 = 8,185.26 : x
  2. Step 2: Convert to fraction form
    13,849.56/19,116.36 = 8,185.26/x
  3. Step 3: Cross multiply
    13,849.56x = 19,116.36 × 8,185.26
  4. Step 4: Simplify right side
    13,849.56x = 156,472,376.85
  5. Step 5: Solve for x
    x = 156,472,376.85/13,849.56
  6. Step 6: Final answer
    x = 11,298.00

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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.