Home / 19,451.34-29,166.57-6,121.84

Finding the Fourth Proportional to 19,451.34, 29,166.57 and 6,121.84

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Solution

The fourth proportional to 19,451.34, 29,166.57 and 6,121.84 is: 9,179.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,451.34 : 29,166.57 = 6,121.84 : x
  2. Step 2: Convert to fraction form
    19,451.34/29,166.57 = 6,121.84/x
  3. Step 3: Cross multiply
    19,451.34x = 29,166.57 × 6,121.84
  4. Step 4: Simplify right side
    19,451.34x = 178,553,089.07
  5. Step 5: Solve for x
    x = 178,553,089.07/19,451.34
  6. Step 6: Final answer
    x = 9,179.47

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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.