Home / 13,549.37-18,696.83-8,444.39

Finding the Fourth Proportional to 13,549.37, 18,696.83 and 8,444.39

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Solution

The fourth proportional to 13,549.37, 18,696.83 and 8,444.39 is: 11,652.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.37 : 18,696.83 = 8,444.39 : x
  2. Step 2: Convert to fraction form
    13,549.37/18,696.83 = 8,444.39/x
  3. Step 3: Cross multiply
    13,549.37x = 18,696.83 × 8,444.39
  4. Step 4: Simplify right side
    13,549.37x = 157,883,188.58
  5. Step 5: Solve for x
    x = 157,883,188.58/13,549.37
  6. Step 6: Final answer
    x = 11,652.44

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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.