Home / 14,571.36-20,111.49-8,525.52

Finding the Fourth Proportional to 14,571.36, 20,111.49 and 8,525.52

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Solution

The fourth proportional to 14,571.36, 20,111.49 and 8,525.52 is: 11,766.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,571.36 : 20,111.49 = 8,525.52 : x
  2. Step 2: Convert to fraction form
    14,571.36/20,111.49 = 8,525.52/x
  3. Step 3: Cross multiply
    14,571.36x = 20,111.49 × 8,525.52
  4. Step 4: Simplify right side
    14,571.36x = 171,460,910.22
  5. Step 5: Solve for x
    x = 171,460,910.22/14,571.36
  6. Step 6: Final answer
    x = 11,766.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.