Home / 13,896.89-19,177.51-7,609.26

Finding the Fourth Proportional to 13,896.89, 19,177.51 and 7,609.26

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Solution

The fourth proportional to 13,896.89, 19,177.51 and 7,609.26 is: 10,500.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,896.89 : 19,177.51 = 7,609.26 : x
  2. Step 2: Convert to fraction form
    13,896.89/19,177.51 = 7,609.26/x
  3. Step 3: Cross multiply
    13,896.89x = 19,177.51 × 7,609.26
  4. Step 4: Simplify right side
    13,896.89x = 145,926,621.70
  5. Step 5: Solve for x
    x = 145,926,621.70/13,896.89
  6. Step 6: Final answer
    x = 10,500.67

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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.