Home / 19,057.28-28,590.72-7,367.36

Finding the Fourth Proportional to 19,057.28, 28,590.72 and 7,367.36

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Solution

The fourth proportional to 19,057.28, 28,590.72 and 7,367.36 is: 11,052.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,057.28 : 28,590.72 = 7,367.36 : x
  2. Step 2: Convert to fraction form
    19,057.28/28,590.72 = 7,367.36/x
  3. Step 3: Cross multiply
    19,057.28x = 28,590.72 × 7,367.36
  4. Step 4: Simplify right side
    19,057.28x = 210,638,126.90
  5. Step 5: Solve for x
    x = 210,638,126.90/19,057.28
  6. Step 6: Final answer
    x = 11,052.90

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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.