Home / 14,518.42-21,787.34-5,284.42

Finding the Fourth Proportional to 14,518.42, 21,787.34 and 5,284.42

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Solution

The fourth proportional to 14,518.42, 21,787.34 and 5,284.42 is: 7,930.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518.42 : 21,787.34 = 5,284.42 : x
  2. Step 2: Convert to fraction form
    14,518.42/21,787.34 = 5,284.42/x
  3. Step 3: Cross multiply
    14,518.42x = 21,787.34 × 5,284.42
  4. Step 4: Simplify right side
    14,518.42x = 115,133,374.35
  5. Step 5: Solve for x
    x = 115,133,374.35/14,518.42
  6. Step 6: Final answer
    x = 7,930.16

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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.