Home / 17,480.69-26,199.13-13,768.25

Finding the Fourth Proportional to 17,480.69, 26,199.13 and 13,768.25

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Solution

The fourth proportional to 17,480.69, 26,199.13 and 13,768.25 is: 20,635.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,480.69 : 26,199.13 = 13,768.25 : x
  2. Step 2: Convert to fraction form
    17,480.69/26,199.13 = 13,768.25/x
  3. Step 3: Cross multiply
    17,480.69x = 26,199.13 × 13,768.25
  4. Step 4: Simplify right side
    17,480.69x = 360,716,171.62
  5. Step 5: Solve for x
    x = 360,716,171.62/17,480.69
  6. Step 6: Final answer
    x = 20,635.13

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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.