Home / 14,986.57-20,683.38-9,021.46

Finding the Fourth Proportional to 14,986.57, 20,683.38 and 9,021.46

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Solution

The fourth proportional to 14,986.57, 20,683.38 and 9,021.46 is: 12,450.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,986.57 : 20,683.38 = 9,021.46 : x
  2. Step 2: Convert to fraction form
    14,986.57/20,683.38 = 9,021.46/x
  3. Step 3: Cross multiply
    14,986.57x = 20,683.38 × 9,021.46
  4. Step 4: Simplify right side
    14,986.57x = 186,594,285.33
  5. Step 5: Solve for x
    x = 186,594,285.33/14,986.57
  6. Step 6: Final answer
    x = 12,450.77

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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.