Home / 14,621.70-20,175.84-8,333.94

Finding the Fourth Proportional to 14,621.70, 20,175.84 and 8,333.94

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Solution

The fourth proportional to 14,621.70, 20,175.84 and 8,333.94 is: 11,499.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.70 : 20,175.84 = 8,333.94 : x
  2. Step 2: Convert to fraction form
    14,621.70/20,175.84 = 8,333.94/x
  3. Step 3: Cross multiply
    14,621.70x = 20,175.84 × 8,333.94
  4. Step 4: Simplify right side
    14,621.70x = 168,144,240.01
  5. Step 5: Solve for x
    x = 168,144,240.01/14,621.70
  6. Step 6: Final answer
    x = 11,499.64

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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.