Home / 19,269.22-28,905.24-8,174.65

Finding the Fourth Proportional to 19,269.22, 28,905.24 and 8,174.65

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Solution

The fourth proportional to 19,269.22, 28,905.24 and 8,174.65 is: 12,262.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269.22 : 28,905.24 = 8,174.65 : x
  2. Step 2: Convert to fraction form
    19,269.22/28,905.24 = 8,174.65/x
  3. Step 3: Cross multiply
    19,269.22x = 28,905.24 × 8,174.65
  4. Step 4: Simplify right side
    19,269.22x = 236,290,220.17
  5. Step 5: Solve for x
    x = 236,290,220.17/19,269.22
  6. Step 6: Final answer
    x = 12,262.57

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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.