Home / 12,932.70-19,435.38-7,668.46

Finding the Fourth Proportional to 12,932.70, 19,435.38 and 7,668.46

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Solution

The fourth proportional to 12,932.70, 19,435.38 and 7,668.46 is: 11,524.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932.70 : 19,435.38 = 7,668.46 : x
  2. Step 2: Convert to fraction form
    12,932.70/19,435.38 = 7,668.46/x
  3. Step 3: Cross multiply
    12,932.70x = 19,435.38 × 7,668.46
  4. Step 4: Simplify right side
    12,932.70x = 149,039,385.53
  5. Step 5: Solve for x
    x = 149,039,385.53/12,932.70
  6. Step 6: Final answer
    x = 11,524.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.