Home / 18,413.12-25,410.11-10,029.62

Finding the Fourth Proportional to 18,413.12, 25,410.11 and 10,029.62

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Solution

The fourth proportional to 18,413.12, 25,410.11 and 10,029.62 is: 13,840.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413.12 : 25,410.11 = 10,029.62 : x
  2. Step 2: Convert to fraction form
    18,413.12/25,410.11 = 10,029.62/x
  3. Step 3: Cross multiply
    18,413.12x = 25,410.11 × 10,029.62
  4. Step 4: Simplify right side
    18,413.12x = 254,853,570.26
  5. Step 5: Solve for x
    x = 254,853,570.26/18,413.12
  6. Step 6: Final answer
    x = 13,840.87

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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.