Home / 15,919.52-23,879.35-4,826.31

Finding the Fourth Proportional to 15,919.52, 23,879.35 and 4,826.31

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Solution

The fourth proportional to 15,919.52, 23,879.35 and 4,826.31 is: 7,239.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,919.52 : 23,879.35 = 4,826.31 : x
  2. Step 2: Convert to fraction form
    15,919.52/23,879.35 = 4,826.31/x
  3. Step 3: Cross multiply
    15,919.52x = 23,879.35 × 4,826.31
  4. Step 4: Simplify right side
    15,919.52x = 115,249,080.54
  5. Step 5: Solve for x
    x = 115,249,080.54/15,919.52
  6. Step 6: Final answer
    x = 7,239.48

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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.