Home / 14,181.75-21,282.35-4,947.75

Finding the Fourth Proportional to 14,181.75, 21,282.35 and 4,947.75

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Solution

The fourth proportional to 14,181.75, 21,282.35 and 4,947.75 is: 7,425.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.75 : 21,282.35 = 4,947.75 : x
  2. Step 2: Convert to fraction form
    14,181.75/21,282.35 = 4,947.75/x
  3. Step 3: Cross multiply
    14,181.75x = 21,282.35 × 4,947.75
  4. Step 4: Simplify right side
    14,181.75x = 105,299,722.47
  5. Step 5: Solve for x
    x = 105,299,722.47/14,181.75
  6. Step 6: Final answer
    x = 7,425.02

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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.