Home / 19,093.16-28,522.37-13,782.80

Finding the Fourth Proportional to 19,093.16, 28,522.37 and 13,782.80

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Solution

The fourth proportional to 19,093.16, 28,522.37 and 13,782.80 is: 20,589.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,093.16 : 28,522.37 = 13,782.80 : x
  2. Step 2: Convert to fraction form
    19,093.16/28,522.37 = 13,782.80/x
  3. Step 3: Cross multiply
    19,093.16x = 28,522.37 × 13,782.80
  4. Step 4: Simplify right side
    19,093.16x = 393,118,121.24
  5. Step 5: Solve for x
    x = 393,118,121.24/19,093.16
  6. Step 6: Final answer
    x = 20,589.47

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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.