Home / 15,603.12-23,401.44-5,739.84

Finding the Fourth Proportional to 15,603.12, 23,401.44 and 5,739.84

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Solution

The fourth proportional to 15,603.12, 23,401.44 and 5,739.84 is: 8,608.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,603.12 : 23,401.44 = 5,739.84 : x
  2. Step 2: Convert to fraction form
    15,603.12/23,401.44 = 5,739.84/x
  3. Step 3: Cross multiply
    15,603.12x = 23,401.44 × 5,739.84
  4. Step 4: Simplify right side
    15,603.12x = 134,320,521.37
  5. Step 5: Solve for x
    x = 134,320,521.37/15,603.12
  6. Step 6: Final answer
    x = 8,608.57

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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.