Home / 19,240.36-28,862.84-18,190.60

Finding the Fourth Proportional to 19,240.36, 28,862.84 and 18,190.60

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Solution

The fourth proportional to 19,240.36, 28,862.84 and 18,190.60 is: 27,288.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240.36 : 28,862.84 = 18,190.60 : x
  2. Step 2: Convert to fraction form
    19,240.36/28,862.84 = 18,190.60/x
  3. Step 3: Cross multiply
    19,240.36x = 28,862.84 × 18,190.60
  4. Step 4: Simplify right side
    19,240.36x = 525,032,377.30
  5. Step 5: Solve for x
    x = 525,032,377.30/19,240.36
  6. Step 6: Final answer
    x = 27,288.07

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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.