Home / 21,536.85-32,292.05-8,373.88

Finding the Fourth Proportional to 21,536.85, 32,292.05 and 8,373.88

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Solution

The fourth proportional to 21,536.85, 32,292.05 and 8,373.88 is: 12,555.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,536.85 : 32,292.05 = 8,373.88 : x
  2. Step 2: Convert to fraction form
    21,536.85/32,292.05 = 8,373.88/x
  3. Step 3: Cross multiply
    21,536.85x = 32,292.05 × 8,373.88
  4. Step 4: Simplify right side
    21,536.85x = 270,409,629.05
  5. Step 5: Solve for x
    x = 270,409,629.05/21,536.85
  6. Step 6: Final answer
    x = 12,555.67

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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.