Home / 25,635.36-38,465.32-11,605.28

Finding the Fourth Proportional to 25,635.36, 38,465.32 and 11,605.28

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Solution

The fourth proportional to 25,635.36, 38,465.32 and 11,605.28 is: 17,413.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,635.36 : 38,465.32 = 11,605.28 : x
  2. Step 2: Convert to fraction form
    25,635.36/38,465.32 = 11,605.28/x
  3. Step 3: Cross multiply
    25,635.36x = 38,465.32 × 11,605.28
  4. Step 4: Simplify right side
    25,635.36x = 446,400,808.89
  5. Step 5: Solve for x
    x = 446,400,808.89/25,635.36
  6. Step 6: Final answer
    x = 17,413.48

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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.