Home / 13,736.70-18,951.28-8,962.26

Finding the Fourth Proportional to 13,736.70, 18,951.28 and 8,962.26

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Solution

The fourth proportional to 13,736.70, 18,951.28 and 8,962.26 is: 12,364.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.70 : 18,951.28 = 8,962.26 : x
  2. Step 2: Convert to fraction form
    13,736.70/18,951.28 = 8,962.26/x
  3. Step 3: Cross multiply
    13,736.70x = 18,951.28 × 8,962.26
  4. Step 4: Simplify right side
    13,736.70x = 169,846,298.69
  5. Step 5: Solve for x
    x = 169,846,298.69/13,736.70
  6. Step 6: Final answer
    x = 12,364.42

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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.