Home / 19,511.28-26,927.96-11,958.69

Finding the Fourth Proportional to 19,511.28, 26,927.96 and 11,958.69

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Solution

The fourth proportional to 19,511.28, 26,927.96 and 11,958.69 is: 16,504.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511.28 : 26,927.96 = 11,958.69 : x
  2. Step 2: Convert to fraction form
    19,511.28/26,927.96 = 11,958.69/x
  3. Step 3: Cross multiply
    19,511.28x = 26,927.96 × 11,958.69
  4. Step 4: Simplify right side
    19,511.28x = 322,023,125.97
  5. Step 5: Solve for x
    x = 322,023,125.97/19,511.28
  6. Step 6: Final answer
    x = 16,504.46

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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.