Home / 15,449.02-23,172.30-4,919.44

Finding the Fourth Proportional to 15,449.02, 23,172.30 and 4,919.44

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Solution

The fourth proportional to 15,449.02, 23,172.30 and 4,919.44 is: 7,378.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,449.02 : 23,172.30 = 4,919.44 : x
  2. Step 2: Convert to fraction form
    15,449.02/23,172.30 = 4,919.44/x
  3. Step 3: Cross multiply
    15,449.02x = 23,172.30 × 4,919.44
  4. Step 4: Simplify right side
    15,449.02x = 113,994,739.51
  5. Step 5: Solve for x
    x = 113,994,739.51/15,449.02
  6. Step 6: Final answer
    x = 7,378.77

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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.