Home / 19,192.16-28,777.44-5,862.80

Finding the Fourth Proportional to 19,192.16, 28,777.44 and 5,862.80

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Solution

The fourth proportional to 19,192.16, 28,777.44 and 5,862.80 is: 8,790.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,192.16 : 28,777.44 = 5,862.80 : x
  2. Step 2: Convert to fraction form
    19,192.16/28,777.44 = 5,862.80/x
  3. Step 3: Cross multiply
    19,192.16x = 28,777.44 × 5,862.80
  4. Step 4: Simplify right side
    19,192.16x = 168,716,375.23
  5. Step 5: Solve for x
    x = 168,716,375.23/19,192.16
  6. Step 6: Final answer
    x = 8,790.90

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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.