Home / 14,216.81-19,612.85-8,245.02

Finding the Fourth Proportional to 14,216.81, 19,612.85 and 8,245.02

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Solution

The fourth proportional to 14,216.81, 19,612.85 and 8,245.02 is: 11,374.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,216.81 : 19,612.85 = 8,245.02 : x
  2. Step 2: Convert to fraction form
    14,216.81/19,612.85 = 8,245.02/x
  3. Step 3: Cross multiply
    14,216.81x = 19,612.85 × 8,245.02
  4. Step 4: Simplify right side
    14,216.81x = 161,708,201.22
  5. Step 5: Solve for x
    x = 161,708,201.22/14,216.81
  6. Step 6: Final answer
    x = 11,374.44

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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.