Home / 19,168.52-28,752.62-5,317.52

Finding the Fourth Proportional to 19,168.52, 28,752.62 and 5,317.52

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Solution

The fourth proportional to 19,168.52, 28,752.62 and 5,317.52 is: 7,976.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,168.52 : 28,752.62 = 5,317.52 : x
  2. Step 2: Convert to fraction form
    19,168.52/28,752.62 = 5,317.52/x
  3. Step 3: Cross multiply
    19,168.52x = 28,752.62 × 5,317.52
  4. Step 4: Simplify right side
    19,168.52x = 152,892,631.90
  5. Step 5: Solve for x
    x = 152,892,631.90/19,168.52
  6. Step 6: Final answer
    x = 7,976.24

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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.