Home / 22,421.50-33,627.66-8,378.93

Finding the Fourth Proportional to 22,421.50, 33,627.66 and 8,378.93

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Solution

The fourth proportional to 22,421.50, 33,627.66 and 8,378.93 is: 12,566.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.50 : 33,627.66 = 8,378.93 : x
  2. Step 2: Convert to fraction form
    22,421.50/33,627.66 = 8,378.93/x
  3. Step 3: Cross multiply
    22,421.50x = 33,627.66 × 8,378.93
  4. Step 4: Simplify right side
    22,421.50x = 281,763,893.27
  5. Step 5: Solve for x
    x = 281,763,893.27/22,421.50
  6. Step 6: Final answer
    x = 12,566.68

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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.