Home / 14,413.23-19,890.23-8,125.56

Finding the Fourth Proportional to 14,413.23, 19,890.23 and 8,125.56

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Solution

The fourth proportional to 14,413.23, 19,890.23 and 8,125.56 is: 11,213.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,413.23 : 19,890.23 = 8,125.56 : x
  2. Step 2: Convert to fraction form
    14,413.23/19,890.23 = 8,125.56/x
  3. Step 3: Cross multiply
    14,413.23x = 19,890.23 × 8,125.56
  4. Step 4: Simplify right side
    14,413.23x = 161,619,216.65
  5. Step 5: Solve for x
    x = 161,619,216.65/14,413.23
  6. Step 6: Final answer
    x = 11,213.25

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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.