Home / 14,130.25-21,195.38-4,896.25

Finding the Fourth Proportional to 14,130.25, 21,195.38 and 4,896.25

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Solution

The fourth proportional to 14,130.25, 21,195.38 and 4,896.25 is: 7,344.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.25 : 21,195.38 = 4,896.25 : x
  2. Step 2: Convert to fraction form
    14,130.25/21,195.38 = 4,896.25/x
  3. Step 3: Cross multiply
    14,130.25x = 21,195.38 × 4,896.25
  4. Step 4: Simplify right side
    14,130.25x = 103,777,879.33
  5. Step 5: Solve for x
    x = 103,777,879.33/14,130.25
  6. Step 6: Final answer
    x = 7,344.38

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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.