Home / 19,624.41-27,087.62-13,340.43

Finding the Fourth Proportional to 19,624.41, 27,087.62 and 13,340.43

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Solution

The fourth proportional to 19,624.41, 27,087.62 and 13,340.43 is: 18,413.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,624.41 : 27,087.62 = 13,340.43 : x
  2. Step 2: Convert to fraction form
    19,624.41/27,087.62 = 13,340.43/x
  3. Step 3: Cross multiply
    19,624.41x = 27,087.62 × 13,340.43
  4. Step 4: Simplify right side
    19,624.41x = 361,360,431.77
  5. Step 5: Solve for x
    x = 361,360,431.77/19,624.41
  6. Step 6: Final answer
    x = 18,413.82

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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.