Home / 14,416.84-19,900.23-8,450.44

Finding the Fourth Proportional to 14,416.84, 19,900.23 and 8,450.44

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Solution

The fourth proportional to 14,416.84, 19,900.23 and 8,450.44 is: 11,664.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,416.84 : 19,900.23 = 8,450.44 : x
  2. Step 2: Convert to fraction form
    14,416.84/19,900.23 = 8,450.44/x
  3. Step 3: Cross multiply
    14,416.84x = 19,900.23 × 8,450.44
  4. Step 4: Simplify right side
    14,416.84x = 168,165,699.60
  5. Step 5: Solve for x
    x = 168,165,699.60/14,416.84
  6. Step 6: Final answer
    x = 11,664.53

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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.