Home / 13,939.75-19,237.26-7,652.53

Finding the Fourth Proportional to 13,939.75, 19,237.26 and 7,652.53

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Solution

The fourth proportional to 13,939.75, 19,237.26 and 7,652.53 is: 10,560.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,939.75 : 19,237.26 = 7,652.53 : x
  2. Step 2: Convert to fraction form
    13,939.75/19,237.26 = 7,652.53/x
  3. Step 3: Cross multiply
    13,939.75x = 19,237.26 × 7,652.53
  4. Step 4: Simplify right side
    13,939.75x = 147,213,709.27
  5. Step 5: Solve for x
    x = 147,213,709.27/13,939.75
  6. Step 6: Final answer
    x = 10,560.71

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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.