Home / 19,276.20-28,751.67-17,578.44

Finding the Fourth Proportional to 19,276.20, 28,751.67 and 17,578.44

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Solution

The fourth proportional to 19,276.20, 28,751.67 and 17,578.44 is: 26,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.20 : 28,751.67 = 17,578.44 : x
  2. Step 2: Convert to fraction form
    19,276.20/28,751.67 = 17,578.44/x
  3. Step 3: Cross multiply
    19,276.20x = 28,751.67 × 17,578.44
  4. Step 4: Simplify right side
    19,276.20x = 505,409,505.99
  5. Step 5: Solve for x
    x = 505,409,505.99/19,276.20
  6. Step 6: Final answer
    x = 26,219.35

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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.