Home / 14,792.31-20,405.79-10,012.41

Finding the Fourth Proportional to 14,792.31, 20,405.79 and 10,012.41

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Solution

The fourth proportional to 14,792.31, 20,405.79 and 10,012.41 is: 13,811.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,792.31 : 20,405.79 = 10,012.41 : x
  2. Step 2: Convert to fraction form
    14,792.31/20,405.79 = 10,012.41/x
  3. Step 3: Cross multiply
    14,792.31x = 20,405.79 × 10,012.41
  4. Step 4: Simplify right side
    14,792.31x = 204,311,135.85
  5. Step 5: Solve for x
    x = 204,311,135.85/14,792.31
  6. Step 6: Final answer
    x = 13,811.98

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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.