Home / 21,759.96-32,642.28-6,963.60

Finding the Fourth Proportional to 21,759.96, 32,642.28 and 6,963.60

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Solution

The fourth proportional to 21,759.96, 32,642.28 and 6,963.60 is: 10,446.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,759.96 : 32,642.28 = 6,963.60 : x
  2. Step 2: Convert to fraction form
    21,759.96/32,642.28 = 6,963.60/x
  3. Step 3: Cross multiply
    21,759.96x = 32,642.28 × 6,963.60
  4. Step 4: Simplify right side
    21,759.96x = 227,307,781.01
  5. Step 5: Solve for x
    x = 227,307,781.01/21,759.96
  6. Step 6: Final answer
    x = 10,446.15

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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.