Home / 17,391.18-24,012.24-13,751.80

Finding the Fourth Proportional to 17,391.18, 24,012.24 and 13,751.80

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Solution

The fourth proportional to 17,391.18, 24,012.24 and 13,751.80 is: 18,987.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,391.18 : 24,012.24 = 13,751.80 : x
  2. Step 2: Convert to fraction form
    17,391.18/24,012.24 = 13,751.80/x
  3. Step 3: Cross multiply
    17,391.18x = 24,012.24 × 13,751.80
  4. Step 4: Simplify right side
    17,391.18x = 330,211,522.03
  5. Step 5: Solve for x
    x = 330,211,522.03/17,391.18
  6. Step 6: Final answer
    x = 18,987.30

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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.