Home / 13,369.67-18,453.24-8,893.61

Finding the Fourth Proportional to 13,369.67, 18,453.24 and 8,893.61

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Solution

The fourth proportional to 13,369.67, 18,453.24 and 8,893.61 is: 12,275.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369.67 : 18,453.24 = 8,893.61 : x
  2. Step 2: Convert to fraction form
    13,369.67/18,453.24 = 8,893.61/x
  3. Step 3: Cross multiply
    13,369.67x = 18,453.24 × 8,893.61
  4. Step 4: Simplify right side
    13,369.67x = 164,115,783.06
  5. Step 5: Solve for x
    x = 164,115,783.06/13,369.67
  6. Step 6: Final answer
    x = 12,275.24

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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.