Home / 18,419.67-27,606.26-7,877.22

Finding the Fourth Proportional to 18,419.67, 27,606.26 and 7,877.22

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Solution

The fourth proportional to 18,419.67, 27,606.26 and 7,877.22 is: 11,805.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,419.67 : 27,606.26 = 7,877.22 : x
  2. Step 2: Convert to fraction form
    18,419.67/27,606.26 = 7,877.22/x
  3. Step 3: Cross multiply
    18,419.67x = 27,606.26 × 7,877.22
  4. Step 4: Simplify right side
    18,419.67x = 217,460,544.01
  5. Step 5: Solve for x
    x = 217,460,544.01/18,419.67
  6. Step 6: Final answer
    x = 11,805.89

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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.