Home / 19,213.77-28,653.03-17,089.95

Finding the Fourth Proportional to 19,213.77, 28,653.03 and 17,089.95

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Solution

The fourth proportional to 19,213.77, 28,653.03 and 17,089.95 is: 25,485.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,213.77 : 28,653.03 = 17,089.95 : x
  2. Step 2: Convert to fraction form
    19,213.77/28,653.03 = 17,089.95/x
  3. Step 3: Cross multiply
    19,213.77x = 28,653.03 × 17,089.95
  4. Step 4: Simplify right side
    19,213.77x = 489,678,850.05
  5. Step 5: Solve for x
    x = 489,678,850.05/19,213.77
  6. Step 6: Final answer
    x = 25,485.83

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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.