Home / 14,529.98-21,787.40-5,168.64

Finding the Fourth Proportional to 14,529.98, 21,787.40 and 5,168.64

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Solution

The fourth proportional to 14,529.98, 21,787.40 and 5,168.64 is: 7,750.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,529.98 : 21,787.40 = 5,168.64 : x
  2. Step 2: Convert to fraction form
    14,529.98/21,787.40 = 5,168.64/x
  3. Step 3: Cross multiply
    14,529.98x = 21,787.40 × 5,168.64
  4. Step 4: Simplify right side
    14,529.98x = 112,611,281.60
  5. Step 5: Solve for x
    x = 112,611,281.60/14,529.98
  6. Step 6: Final answer
    x = 7,750.27

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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.