Home / 19,051.36-28,577.52-5,200.48

Finding the Fourth Proportional to 19,051.36, 28,577.52 and 5,200.48

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Solution

The fourth proportional to 19,051.36, 28,577.52 and 5,200.48 is: 7,800.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,051.36 : 28,577.52 = 5,200.48 : x
  2. Step 2: Convert to fraction form
    19,051.36/28,577.52 = 5,200.48/x
  3. Step 3: Cross multiply
    19,051.36x = 28,577.52 × 5,200.48
  4. Step 4: Simplify right side
    19,051.36x = 148,616,821.21
  5. Step 5: Solve for x
    x = 148,616,821.21/19,051.36
  6. Step 6: Final answer
    x = 7,800.85

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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.