Home / 21,849.75-32,774.63-5,433.75

Finding the Fourth Proportional to 21,849.75, 32,774.63 and 5,433.75

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Solution

The fourth proportional to 21,849.75, 32,774.63 and 5,433.75 is: 8,150.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,849.75 : 32,774.63 = 5,433.75 : x
  2. Step 2: Convert to fraction form
    21,849.75/32,774.63 = 5,433.75/x
  3. Step 3: Cross multiply
    21,849.75x = 32,774.63 × 5,433.75
  4. Step 4: Simplify right side
    21,849.75x = 178,089,118.59
  5. Step 5: Solve for x
    x = 178,089,118.59/21,849.75
  6. Step 6: Final answer
    x = 8,150.63

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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.