Home / 18,215.27-27,294.54-11,537.67

Finding the Fourth Proportional to 18,215.27, 27,294.54 and 11,537.67

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Solution

The fourth proportional to 18,215.27, 27,294.54 and 11,537.67 is: 17,288.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215.27 : 27,294.54 = 11,537.67 : x
  2. Step 2: Convert to fraction form
    18,215.27/27,294.54 = 11,537.67/x
  3. Step 3: Cross multiply
    18,215.27x = 27,294.54 × 11,537.67
  4. Step 4: Simplify right side
    18,215.27x = 314,915,395.32
  5. Step 5: Solve for x
    x = 314,915,395.32/18,215.27
  6. Step 6: Final answer
    x = 17,288.54

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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.