Home / 13,733.53-18,951.11-7,764.37

Finding the Fourth Proportional to 13,733.53, 18,951.11 and 7,764.37

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Solution

The fourth proportional to 13,733.53, 18,951.11 and 7,764.37 is: 10,714.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.53 : 18,951.11 = 7,764.37 : x
  2. Step 2: Convert to fraction form
    13,733.53/18,951.11 = 7,764.37/x
  3. Step 3: Cross multiply
    13,733.53x = 18,951.11 × 7,764.37
  4. Step 4: Simplify right side
    13,733.53x = 147,143,391.13
  5. Step 5: Solve for x
    x = 147,143,391.13/13,733.53
  6. Step 6: Final answer
    x = 10,714.17

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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.