Home / 13,469.67-18,589.19-7,806.24

Finding the Fourth Proportional to 13,469.67, 18,589.19 and 7,806.24

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Solution

The fourth proportional to 13,469.67, 18,589.19 and 7,806.24 is: 10,773.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469.67 : 18,589.19 = 7,806.24 : x
  2. Step 2: Convert to fraction form
    13,469.67/18,589.19 = 7,806.24/x
  3. Step 3: Cross multiply
    13,469.67x = 18,589.19 × 7,806.24
  4. Step 4: Simplify right side
    13,469.67x = 145,111,639.51
  5. Step 5: Solve for x
    x = 145,111,639.51/13,469.67
  6. Step 6: Final answer
    x = 10,773.21

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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.