Home / 16,400.48-24,603.14-6,403.25

Finding the Fourth Proportional to 16,400.48, 24,603.14 and 6,403.25

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Solution

The fourth proportional to 16,400.48, 24,603.14 and 6,403.25 is: 9,605.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,400.48 : 24,603.14 = 6,403.25 : x
  2. Step 2: Convert to fraction form
    16,400.48/24,603.14 = 6,403.25/x
  3. Step 3: Cross multiply
    16,400.48x = 24,603.14 × 6,403.25
  4. Step 4: Simplify right side
    16,400.48x = 157,540,133.72
  5. Step 5: Solve for x
    x = 157,540,133.72/16,400.48
  6. Step 6: Final answer
    x = 9,605.83

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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.