Home / 13,447.10-18,548.37-8,673.14

Finding the Fourth Proportional to 13,447.10, 18,548.37 and 8,673.14

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Solution

The fourth proportional to 13,447.10, 18,548.37 and 8,673.14 is: 11,963.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,447.10 : 18,548.37 = 8,673.14 : x
  2. Step 2: Convert to fraction form
    13,447.10/18,548.37 = 8,673.14/x
  3. Step 3: Cross multiply
    13,447.10x = 18,548.37 × 8,673.14
  4. Step 4: Simplify right side
    13,447.10x = 160,872,517.04
  5. Step 5: Solve for x
    x = 160,872,517.04/13,447.10
  6. Step 6: Final answer
    x = 11,963.37

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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.