Home / 18,413.33-25,415.98-10,859.06

Finding the Fourth Proportional to 18,413.33, 25,415.98 and 10,859.06

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Solution

The fourth proportional to 18,413.33, 25,415.98 and 10,859.06 is: 14,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413.33 : 25,415.98 = 10,859.06 : x
  2. Step 2: Convert to fraction form
    18,413.33/25,415.98 = 10,859.06/x
  3. Step 3: Cross multiply
    18,413.33x = 25,415.98 × 10,859.06
  4. Step 4: Simplify right side
    18,413.33x = 275,993,688.17
  5. Step 5: Solve for x
    x = 275,993,688.17/18,413.33
  6. Step 6: Final answer
    x = 14,988.80

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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.