Home / 14,147.15-19,372.14-13,589.46

Finding the Fourth Proportional to 14,147.15, 19,372.14 and 13,589.46

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Solution

The fourth proportional to 14,147.15, 19,372.14 and 13,589.46 is: 18,608.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.15 : 19,372.14 = 13,589.46 : x
  2. Step 2: Convert to fraction form
    14,147.15/19,372.14 = 13,589.46/x
  3. Step 3: Cross multiply
    14,147.15x = 19,372.14 × 13,589.46
  4. Step 4: Simplify right side
    14,147.15x = 263,256,921.64
  5. Step 5: Solve for x
    x = 263,256,921.64/14,147.15
  6. Step 6: Final answer
    x = 18,608.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.