Home / 14,771.02-20,388.96-8,804.56

Finding the Fourth Proportional to 14,771.02, 20,388.96 and 8,804.56

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Solution

The fourth proportional to 14,771.02, 20,388.96 and 8,804.56 is: 12,153.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.02 : 20,388.96 = 8,804.56 : x
  2. Step 2: Convert to fraction form
    14,771.02/20,388.96 = 8,804.56/x
  3. Step 3: Cross multiply
    14,771.02x = 20,388.96 × 8,804.56
  4. Step 4: Simplify right side
    14,771.02x = 179,515,821.66
  5. Step 5: Solve for x
    x = 179,515,821.66/14,771.02
  6. Step 6: Final answer
    x = 12,153.24

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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.