Home / 15,540.93-23,288.72-7,739.01

Finding the Fourth Proportional to 15,540.93, 23,288.72 and 7,739.01

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Solution

The fourth proportional to 15,540.93, 23,288.72 and 7,739.01 is: 11,597.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,540.93 : 23,288.72 = 7,739.01 : x
  2. Step 2: Convert to fraction form
    15,540.93/23,288.72 = 7,739.01/x
  3. Step 3: Cross multiply
    15,540.93x = 23,288.72 × 7,739.01
  4. Step 4: Simplify right side
    15,540.93x = 180,231,598.27
  5. Step 5: Solve for x
    x = 180,231,598.27/15,540.93
  6. Step 6: Final answer
    x = 11,597.22

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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.