Home / 14,413.68-21,524.40-13,675.64

Finding the Fourth Proportional to 14,413.68, 21,524.40 and 13,675.64

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Solution

The fourth proportional to 14,413.68, 21,524.40 and 13,675.64 is: 20,422.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,413.68 : 21,524.40 = 13,675.64 : x
  2. Step 2: Convert to fraction form
    14,413.68/21,524.40 = 13,675.64/x
  3. Step 3: Cross multiply
    14,413.68x = 21,524.40 × 13,675.64
  4. Step 4: Simplify right side
    14,413.68x = 294,359,837.99
  5. Step 5: Solve for x
    x = 294,359,837.99/14,413.68
  6. Step 6: Final answer
    x = 20,422.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.