Home / 25,413.66-38,097.78-12,926.70

Finding the Fourth Proportional to 25,413.66, 38,097.78 and 12,926.70

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Solution

The fourth proportional to 25,413.66, 38,097.78 and 12,926.70 is: 19,378.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,413.66 : 38,097.78 = 12,926.70 : x
  2. Step 2: Convert to fraction form
    25,413.66/38,097.78 = 12,926.70/x
  3. Step 3: Cross multiply
    25,413.66x = 38,097.78 × 12,926.70
  4. Step 4: Simplify right side
    25,413.66x = 492,478,572.73
  5. Step 5: Solve for x
    x = 492,478,572.73/25,413.66
  6. Step 6: Final answer
    x = 19,378.50

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1.5x scale

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.