Home / 15,509.44-23,245.63-5,643.35

Finding the Fourth Proportional to 15,509.44, 23,245.63 and 5,643.35

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Solution

The fourth proportional to 15,509.44, 23,245.63 and 5,643.35 is: 8,458.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,509.44 : 23,245.63 = 5,643.35 : x
  2. Step 2: Convert to fraction form
    15,509.44/23,245.63 = 5,643.35/x
  3. Step 3: Cross multiply
    15,509.44x = 23,245.63 × 5,643.35
  4. Step 4: Simplify right side
    15,509.44x = 131,183,081.62
  5. Step 5: Solve for x
    x = 131,183,081.62/15,509.44
  6. Step 6: Final answer
    x = 8,458.27

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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.