Home / 19,066.05-28,570.97-10,620.92

Finding the Fourth Proportional to 19,066.05, 28,570.97 and 10,620.92

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Solution

The fourth proportional to 19,066.05, 28,570.97 and 10,620.92 is: 15,915.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,066.05 : 28,570.97 = 10,620.92 : x
  2. Step 2: Convert to fraction form
    19,066.05/28,570.97 = 10,620.92/x
  3. Step 3: Cross multiply
    19,066.05x = 28,570.97 × 10,620.92
  4. Step 4: Simplify right side
    19,066.05x = 303,450,084.67
  5. Step 5: Solve for x
    x = 303,450,084.67/19,066.05
  6. Step 6: Final answer
    x = 15,915.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.