Home / 13,492.56-18,614.04-8,185.44

Finding the Fourth Proportional to 13,492.56, 18,614.04 and 8,185.44

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Solution

The fourth proportional to 13,492.56, 18,614.04 and 8,185.44 is: 11,292.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.56 : 18,614.04 = 8,185.44 : x
  2. Step 2: Convert to fraction form
    13,492.56/18,614.04 = 8,185.44/x
  3. Step 3: Cross multiply
    13,492.56x = 18,614.04 × 8,185.44
  4. Step 4: Simplify right side
    13,492.56x = 152,364,107.58
  5. Step 5: Solve for x
    x = 152,364,107.58/13,492.56
  6. Step 6: Final answer
    x = 11,292.45

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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.