Home / 14,846.63-20,487.27-8,131.17

Finding the Fourth Proportional to 14,846.63, 20,487.27 and 8,131.17

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Solution

The fourth proportional to 14,846.63, 20,487.27 and 8,131.17 is: 11,220.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,846.63 : 20,487.27 = 8,131.17 : x
  2. Step 2: Convert to fraction form
    14,846.63/20,487.27 = 8,131.17/x
  3. Step 3: Cross multiply
    14,846.63x = 20,487.27 × 8,131.17
  4. Step 4: Simplify right side
    14,846.63x = 166,585,475.21
  5. Step 5: Solve for x
    x = 166,585,475.21/14,846.63
  6. Step 6: Final answer
    x = 11,220.43

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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.