Home / 17,325.23-23,915.27-13,489.25

Finding the Fourth Proportional to 17,325.23, 23,915.27 and 13,489.25

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Solution

The fourth proportional to 17,325.23, 23,915.27 and 13,489.25 is: 18,620.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,325.23 : 23,915.27 = 13,489.25 : x
  2. Step 2: Convert to fraction form
    17,325.23/23,915.27 = 13,489.25/x
  3. Step 3: Cross multiply
    17,325.23x = 23,915.27 × 13,489.25
  4. Step 4: Simplify right side
    17,325.23x = 322,599,149.36
  5. Step 5: Solve for x
    x = 322,599,149.36/17,325.23
  6. Step 6: Final answer
    x = 18,620.19

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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.