Home / 19,078.16-28,625.46-10,319.24

Finding the Fourth Proportional to 19,078.16, 28,625.46 and 10,319.24

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Solution

The fourth proportional to 19,078.16, 28,625.46 and 10,319.24 is: 15,483.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,078.16 : 28,625.46 = 10,319.24 : x
  2. Step 2: Convert to fraction form
    19,078.16/28,625.46 = 10,319.24/x
  3. Step 3: Cross multiply
    19,078.16x = 28,625.46 × 10,319.24
  4. Step 4: Simplify right side
    19,078.16x = 295,392,991.85
  5. Step 5: Solve for x
    x = 295,392,991.85/19,078.16
  6. Step 6: Final answer
    x = 15,483.31

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1.5x scale

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.