Home / 15,415.44-23,114.32-4,739.01

Finding the Fourth Proportional to 15,415.44, 23,114.32 and 4,739.01

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Solution

The fourth proportional to 15,415.44, 23,114.32 and 4,739.01 is: 7,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,415.44 : 23,114.32 = 4,739.01 : x
  2. Step 2: Convert to fraction form
    15,415.44/23,114.32 = 4,739.01/x
  3. Step 3: Cross multiply
    15,415.44x = 23,114.32 × 4,739.01
  4. Step 4: Simplify right side
    15,415.44x = 109,538,969.93
  5. Step 5: Solve for x
    x = 109,538,969.93/15,415.44
  6. Step 6: Final answer
    x = 7,105.80

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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.