Home / 18,911.52-26,097.68-10,413.45

Finding the Fourth Proportional to 18,911.52, 26,097.68 and 10,413.45

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Solution

The fourth proportional to 18,911.52, 26,097.68 and 10,413.45 is: 14,370.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,911.52 : 26,097.68 = 10,413.45 : x
  2. Step 2: Convert to fraction form
    18,911.52/26,097.68 = 10,413.45/x
  3. Step 3: Cross multiply
    18,911.52x = 26,097.68 × 10,413.45
  4. Step 4: Simplify right side
    18,911.52x = 271,766,911.83
  5. Step 5: Solve for x
    x = 271,766,911.83/18,911.52
  6. Step 6: Final answer
    x = 14,370.44

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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.