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Finding the Fourth Proportional to 16,551.84, 24,783.36 and 13,927.44

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Solution

The fourth proportional to 16,551.84, 24,783.36 and 13,927.44 is: 20,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,551.84 : 24,783.36 = 13,927.44 : x
  2. Step 2: Convert to fraction form
    16,551.84/24,783.36 = 13,927.44/x
  3. Step 3: Cross multiply
    16,551.84x = 24,783.36 × 13,927.44
  4. Step 4: Simplify right side
    16,551.84x = 345,168,759.40
  5. Step 5: Solve for x
    x = 345,168,759.40/16,551.84
  6. Step 6: Final answer
    x = 20,853.80

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1.5x scale

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.