Home / 19,100.08-28,640.74-7,853.38

Finding the Fourth Proportional to 19,100.08, 28,640.74 and 7,853.38

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Solution

The fourth proportional to 19,100.08, 28,640.74 and 7,853.38 is: 11,776.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,100.08 : 28,640.74 = 7,853.38 : x
  2. Step 2: Convert to fraction form
    19,100.08/28,640.74 = 7,853.38/x
  3. Step 3: Cross multiply
    19,100.08x = 28,640.74 × 7,853.38
  4. Step 4: Simplify right side
    19,100.08x = 224,926,614.70
  5. Step 5: Solve for x
    x = 224,926,614.70/19,100.08
  6. Step 6: Final answer
    x = 11,776.21

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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.