Home / 14,984.30-20,674.64-9,161.94

Finding the Fourth Proportional to 14,984.30, 20,674.64 and 9,161.94

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Solution

The fourth proportional to 14,984.30, 20,674.64 and 9,161.94 is: 12,641.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984.30 : 20,674.64 = 9,161.94 : x
  2. Step 2: Convert to fraction form
    14,984.30/20,674.64 = 9,161.94/x
  3. Step 3: Cross multiply
    14,984.30x = 20,674.64 × 9,161.94
  4. Step 4: Simplify right side
    14,984.30x = 189,419,811.20
  5. Step 5: Solve for x
    x = 189,419,811.20/14,984.30
  6. Step 6: Final answer
    x = 12,641.22

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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.