Home / 13,600.37-18,763.69-8,887.38

Finding the Fourth Proportional to 13,600.37, 18,763.69 and 8,887.38

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Solution

The fourth proportional to 13,600.37, 18,763.69 and 8,887.38 is: 12,261.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600.37 : 18,763.69 = 8,887.38 : x
  2. Step 2: Convert to fraction form
    13,600.37/18,763.69 = 8,887.38/x
  3. Step 3: Cross multiply
    13,600.37x = 18,763.69 × 8,887.38
  4. Step 4: Simplify right side
    13,600.37x = 166,760,106.19
  5. Step 5: Solve for x
    x = 166,760,106.19/13,600.37
  6. Step 6: Final answer
    x = 12,261.44

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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.