Home / 21,523.53-32,190.87-19,168.22

Finding the Fourth Proportional to 21,523.53, 32,190.87 and 19,168.22

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Solution

The fourth proportional to 21,523.53, 32,190.87 and 19,168.22 is: 28,668.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,523.53 : 32,190.87 = 19,168.22 : x
  2. Step 2: Convert to fraction form
    21,523.53/32,190.87 = 19,168.22/x
  3. Step 3: Cross multiply
    21,523.53x = 32,190.87 × 19,168.22
  4. Step 4: Simplify right side
    21,523.53x = 617,041,758.63
  5. Step 5: Solve for x
    x = 617,041,758.63/21,523.53
  6. Step 6: Final answer
    x = 28,668.24

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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.