Home / 18,273.57-27,413.40-6,424.29

Finding the Fourth Proportional to 18,273.57, 27,413.40 and 6,424.29

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Solution

The fourth proportional to 18,273.57, 27,413.40 and 6,424.29 is: 9,637.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.57 : 27,413.40 = 6,424.29 : x
  2. Step 2: Convert to fraction form
    18,273.57/27,413.40 = 6,424.29/x
  3. Step 3: Cross multiply
    18,273.57x = 27,413.40 × 6,424.29
  4. Step 4: Simplify right side
    18,273.57x = 176,111,631.49
  5. Step 5: Solve for x
    x = 176,111,631.49/18,273.57
  6. Step 6: Final answer
    x = 9,637.51

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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.