Home / 21,756.04-32,626.55-11,231.56

Finding the Fourth Proportional to 21,756.04, 32,626.55 and 11,231.56

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Solution

The fourth proportional to 21,756.04, 32,626.55 and 11,231.56 is: 16,843.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,756.04 : 32,626.55 = 11,231.56 : x
  2. Step 2: Convert to fraction form
    21,756.04/32,626.55 = 11,231.56/x
  3. Step 3: Cross multiply
    21,756.04x = 32,626.55 × 11,231.56
  4. Step 4: Simplify right side
    21,756.04x = 366,447,059.60
  5. Step 5: Solve for x
    x = 366,447,059.60/21,756.04
  6. Step 6: Final answer
    x = 16,843.46

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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.