Home / 19,789.37-27,309.33-10,837.42

Finding the Fourth Proportional to 19,789.37, 27,309.33 and 10,837.42

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Solution

The fourth proportional to 19,789.37, 27,309.33 and 10,837.42 is: 14,955.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789.37 : 27,309.33 = 10,837.42 : x
  2. Step 2: Convert to fraction form
    19,789.37/27,309.33 = 10,837.42/x
  3. Step 3: Cross multiply
    19,789.37x = 27,309.33 × 10,837.42
  4. Step 4: Simplify right side
    19,789.37x = 295,962,679.13
  5. Step 5: Solve for x
    x = 295,962,679.13/19,789.37
  6. Step 6: Final answer
    x = 14,955.64

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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.