Home / 14,612.75-20,166.05-8,325.53

Finding the Fourth Proportional to 14,612.75, 20,166.05 and 8,325.53

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Solution

The fourth proportional to 14,612.75, 20,166.05 and 8,325.53 is: 11,489.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,612.75 : 20,166.05 = 8,325.53 : x
  2. Step 2: Convert to fraction form
    14,612.75/20,166.05 = 8,325.53/x
  3. Step 3: Cross multiply
    14,612.75x = 20,166.05 × 8,325.53
  4. Step 4: Simplify right side
    14,612.75x = 167,892,974.24
  5. Step 5: Solve for x
    x = 167,892,974.24/14,612.75
  6. Step 6: Final answer
    x = 11,489.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.