Home / 19,814.64-27,338.76-12,257.34

Finding the Fourth Proportional to 19,814.64, 27,338.76 and 12,257.34

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Solution

The fourth proportional to 19,814.64, 27,338.76 and 12,257.34 is: 16,911.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,814.64 : 27,338.76 = 12,257.34 : x
  2. Step 2: Convert to fraction form
    19,814.64/27,338.76 = 12,257.34/x
  3. Step 3: Cross multiply
    19,814.64x = 27,338.76 × 12,257.34
  4. Step 4: Simplify right side
    19,814.64x = 335,100,476.50
  5. Step 5: Solve for x
    x = 335,100,476.50/19,814.64
  6. Step 6: Final answer
    x = 16,911.76

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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.