Home / 14,413.68-19,886.34-11,379.24

Finding the Fourth Proportional to 14,413.68, 19,886.34 and 11,379.24

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Solution

The fourth proportional to 14,413.68, 19,886.34 and 11,379.24 is: 15,699.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,413.68 : 19,886.34 = 11,379.24 : x
  2. Step 2: Convert to fraction form
    14,413.68/19,886.34 = 11,379.24/x
  3. Step 3: Cross multiply
    14,413.68x = 19,886.34 × 11,379.24
  4. Step 4: Simplify right side
    14,413.68x = 226,291,435.58
  5. Step 5: Solve for x
    x = 226,291,435.58/14,413.68
  6. Step 6: Final answer
    x = 15,699.77

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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.