Home / 19,789.74-27,310.50-10,837.76

Finding the Fourth Proportional to 19,789.74, 27,310.50 and 10,837.76

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Solution

The fourth proportional to 19,789.74, 27,310.50 and 10,837.76 is: 14,956.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789.74 : 27,310.50 = 10,837.76 : x
  2. Step 2: Convert to fraction form
    19,789.74/27,310.50 = 10,837.76/x
  3. Step 3: Cross multiply
    19,789.74x = 27,310.50 × 10,837.76
  4. Step 4: Simplify right side
    19,789.74x = 295,984,507.93
  5. Step 5: Solve for x
    x = 295,984,507.93/19,789.74
  6. Step 6: Final answer
    x = 14,956.46

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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.