Home / 19,231.08-28,865.04-9,377.25

Finding the Fourth Proportional to 19,231.08, 28,865.04 and 9,377.25

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Solution

The fourth proportional to 19,231.08, 28,865.04 and 9,377.25 is: 14,074.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,231.08 : 28,865.04 = 9,377.25 : x
  2. Step 2: Convert to fraction form
    19,231.08/28,865.04 = 9,377.25/x
  3. Step 3: Cross multiply
    19,231.08x = 28,865.04 × 9,377.25
  4. Step 4: Simplify right side
    19,231.08x = 270,674,696.34
  5. Step 5: Solve for x
    x = 270,674,696.34/19,231.08
  6. Step 6: Final answer
    x = 14,074.86

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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.