Home / 21,947.72-32,926.75-12,593.74

Finding the Fourth Proportional to 21,947.72, 32,926.75 and 12,593.74

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Solution

The fourth proportional to 21,947.72, 32,926.75 and 12,593.74 is: 18,893.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,947.72 : 32,926.75 = 12,593.74 : x
  2. Step 2: Convert to fraction form
    21,947.72/32,926.75 = 12,593.74/x
  3. Step 3: Cross multiply
    21,947.72x = 32,926.75 × 12,593.74
  4. Step 4: Simplify right side
    21,947.72x = 414,670,928.55
  5. Step 5: Solve for x
    x = 414,670,928.55/21,947.72
  6. Step 6: Final answer
    x = 18,893.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.