Home / 18,904.25-26,087.88-10,946.90

Finding the Fourth Proportional to 18,904.25, 26,087.88 and 10,946.90

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Solution

The fourth proportional to 18,904.25, 26,087.88 and 10,946.90 is: 15,106.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904.25 : 26,087.88 = 10,946.90 : x
  2. Step 2: Convert to fraction form
    18,904.25/26,087.88 = 10,946.90/x
  3. Step 3: Cross multiply
    18,904.25x = 26,087.88 × 10,946.90
  4. Step 4: Simplify right side
    18,904.25x = 285,581,413.57
  5. Step 5: Solve for x
    x = 285,581,413.57/18,904.25
  6. Step 6: Final answer
    x = 15,106.73

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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.