Home / 18,902.70-26,088.21-10,839.51

Finding the Fourth Proportional to 18,902.70, 26,088.21 and 10,839.51

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Solution

The fourth proportional to 18,902.70, 26,088.21 and 10,839.51 is: 14,959.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,902.70 : 26,088.21 = 10,839.51 : x
  2. Step 2: Convert to fraction form
    18,902.70/26,088.21 = 10,839.51/x
  3. Step 3: Cross multiply
    18,902.70x = 26,088.21 × 10,839.51
  4. Step 4: Simplify right side
    18,902.70x = 282,783,413.18
  5. Step 5: Solve for x
    x = 282,783,413.18/18,902.70
  6. Step 6: Final answer
    x = 14,959.95

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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.