Home / 18,911.03-26,097.84-10,413.56

Finding the Fourth Proportional to 18,911.03, 26,097.84 and 10,413.56

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Solution

The fourth proportional to 18,911.03, 26,097.84 and 10,413.56 is: 14,371.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,911.03 : 26,097.84 = 10,413.56 : x
  2. Step 2: Convert to fraction form
    18,911.03/26,097.84 = 10,413.56/x
  3. Step 3: Cross multiply
    18,911.03x = 26,097.84 × 10,413.56
  4. Step 4: Simplify right side
    18,911.03x = 271,771,292.22
  5. Step 5: Solve for x
    x = 271,771,292.22/18,911.03
  6. Step 6: Final answer
    x = 14,371.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.