Home / 19,083.10-28,621.34-5,043.28

Finding the Fourth Proportional to 19,083.10, 28,621.34 and 5,043.28

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Solution

The fourth proportional to 19,083.10, 28,621.34 and 5,043.28 is: 7,564.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,083.10 : 28,621.34 = 5,043.28 : x
  2. Step 2: Convert to fraction form
    19,083.10/28,621.34 = 5,043.28/x
  3. Step 3: Cross multiply
    19,083.10x = 28,621.34 × 5,043.28
  4. Step 4: Simplify right side
    19,083.10x = 144,345,431.60
  5. Step 5: Solve for x
    x = 144,345,431.60/19,083.10
  6. Step 6: Final answer
    x = 7,564.05

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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.