Home / 14,828.45-20,463.51-8,114.66

Finding the Fourth Proportional to 14,828.45, 20,463.51 and 8,114.66

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Solution

The fourth proportional to 14,828.45, 20,463.51 and 8,114.66 is: 11,198.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,828.45 : 20,463.51 = 8,114.66 : x
  2. Step 2: Convert to fraction form
    14,828.45/20,463.51 = 8,114.66/x
  3. Step 3: Cross multiply
    14,828.45x = 20,463.51 × 8,114.66
  4. Step 4: Simplify right side
    14,828.45x = 166,054,323.74
  5. Step 5: Solve for x
    x = 166,054,323.74/14,828.45
  6. Step 6: Final answer
    x = 11,198.36

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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.