Home / 14,155.81-21,232.09-3,768.37

Finding the Fourth Proportional to 14,155.81, 21,232.09 and 3,768.37

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Solution

The fourth proportional to 14,155.81, 21,232.09 and 3,768.37 is: 5,652.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,155.81 : 21,232.09 = 3,768.37 : x
  2. Step 2: Convert to fraction form
    14,155.81/21,232.09 = 3,768.37/x
  3. Step 3: Cross multiply
    14,155.81x = 21,232.09 × 3,768.37
  4. Step 4: Simplify right side
    14,155.81x = 80,010,370.99
  5. Step 5: Solve for x
    x = 80,010,370.99/14,155.81
  6. Step 6: Final answer
    x = 5,652.12

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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.