Home / 19,028.93-28,548.14-7,182.68

Finding the Fourth Proportional to 19,028.93, 28,548.14 and 7,182.68

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Solution

The fourth proportional to 19,028.93, 28,548.14 and 7,182.68 is: 10,775.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,028.93 : 28,548.14 = 7,182.68 : x
  2. Step 2: Convert to fraction form
    19,028.93/28,548.14 = 7,182.68/x
  3. Step 3: Cross multiply
    19,028.93x = 28,548.14 × 7,182.68
  4. Step 4: Simplify right side
    19,028.93x = 205,051,975.56
  5. Step 5: Solve for x
    x = 205,051,975.56/19,028.93
  6. Step 6: Final answer
    x = 10,775.80

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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.