Home / 14,922.84-20,591.10-8,634

Finding the Fourth Proportional to 14,922.84, 20,591.10 and 8,634

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Solution

The fourth proportional to 14,922.84, 20,591.10 and 8,634 is: 11,913.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,922.84 : 20,591.10 = 8,634 : x
  2. Step 2: Convert to fraction form
    14,922.84/20,591.10 = 8,634/x
  3. Step 3: Cross multiply
    14,922.84x = 20,591.10 × 8,634
  4. Step 4: Simplify right side
    14,922.84x = 177,783,557.40
  5. Step 5: Solve for x
    x = 177,783,557.40/14,922.84
  6. Step 6: Final answer
    x = 11,913.52

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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.