Home / 21,599.08-32,401.33-8,449.74

Finding the Fourth Proportional to 21,599.08, 32,401.33 and 8,449.74

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Solution

The fourth proportional to 21,599.08, 32,401.33 and 8,449.74 is: 12,675.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,599.08 : 32,401.33 = 8,449.74 : x
  2. Step 2: Convert to fraction form
    21,599.08/32,401.33 = 8,449.74/x
  3. Step 3: Cross multiply
    21,599.08x = 32,401.33 × 8,449.74
  4. Step 4: Simplify right side
    21,599.08x = 273,782,793.03
  5. Step 5: Solve for x
    x = 273,782,793.03/21,599.08
  6. Step 6: Final answer
    x = 12,675.67

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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.