Home / 13,727.63-18,944.48-8,425.37

Finding the Fourth Proportional to 13,727.63, 18,944.48 and 8,425.37

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Solution

The fourth proportional to 13,727.63, 18,944.48 and 8,425.37 is: 11,627.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.63 : 18,944.48 = 8,425.37 : x
  2. Step 2: Convert to fraction form
    13,727.63/18,944.48 = 8,425.37/x
  3. Step 3: Cross multiply
    13,727.63x = 18,944.48 × 8,425.37
  4. Step 4: Simplify right side
    13,727.63x = 159,614,253.46
  5. Step 5: Solve for x
    x = 159,614,253.46/13,727.63
  6. Step 6: Final answer
    x = 11,627.23

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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.