Home / 13,810.96-20,711.56-4,450.60

Finding the Fourth Proportional to 13,810.96, 20,711.56 and 4,450.60

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Solution

The fourth proportional to 13,810.96, 20,711.56 and 4,450.60 is: 6,674.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810.96 : 20,711.56 = 4,450.60 : x
  2. Step 2: Convert to fraction form
    13,810.96/20,711.56 = 4,450.60/x
  3. Step 3: Cross multiply
    13,810.96x = 20,711.56 × 4,450.60
  4. Step 4: Simplify right side
    13,810.96x = 92,178,868.94
  5. Step 5: Solve for x
    x = 92,178,868.94/13,810.96
  6. Step 6: Final answer
    x = 6,674.33

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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.