Home / 18,944.82-26,144.47-10,447.31

Finding the Fourth Proportional to 18,944.82, 26,144.47 and 10,447.31

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Solution

The fourth proportional to 18,944.82, 26,144.47 and 10,447.31 is: 14,417.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,944.82 : 26,144.47 = 10,447.31 : x
  2. Step 2: Convert to fraction form
    18,944.82/26,144.47 = 10,447.31/x
  3. Step 3: Cross multiply
    18,944.82x = 26,144.47 × 10,447.31
  4. Step 4: Simplify right side
    18,944.82x = 273,139,461.30
  5. Step 5: Solve for x
    x = 273,139,461.30/18,944.82
  6. Step 6: Final answer
    x = 14,417.63

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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.