Home / 17,102.43-25,653.66-13,661.55

Finding the Fourth Proportional to 17,102.43, 25,653.66 and 13,661.55

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Solution

The fourth proportional to 17,102.43, 25,653.66 and 13,661.55 is: 20,492.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,102.43 : 25,653.66 = 13,661.55 : x
  2. Step 2: Convert to fraction form
    17,102.43/25,653.66 = 13,661.55/x
  3. Step 3: Cross multiply
    17,102.43x = 25,653.66 × 13,661.55
  4. Step 4: Simplify right side
    17,102.43x = 350,468,758.77
  5. Step 5: Solve for x
    x = 350,468,758.77/17,102.43
  6. Step 6: Final answer
    x = 20,492.34

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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.