Home / 19,051.20-28,578.02-5,912.19

Finding the Fourth Proportional to 19,051.20, 28,578.02 and 5,912.19

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Solution

The fourth proportional to 19,051.20, 28,578.02 and 5,912.19 is: 8,868.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,051.20 : 28,578.02 = 5,912.19 : x
  2. Step 2: Convert to fraction form
    19,051.20/28,578.02 = 5,912.19/x
  3. Step 3: Cross multiply
    19,051.20x = 28,578.02 × 5,912.19
  4. Step 4: Simplify right side
    19,051.20x = 168,958,654.50
  5. Step 5: Solve for x
    x = 168,958,654.50/19,051.20
  6. Step 6: Final answer
    x = 8,868.66

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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.