Home / 13,987.03-20,984.19-6,194.02

Finding the Fourth Proportional to 13,987.03, 20,984.19 and 6,194.02

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Solution

The fourth proportional to 13,987.03, 20,984.19 and 6,194.02 is: 9,292.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,987.03 : 20,984.19 = 6,194.02 : x
  2. Step 2: Convert to fraction form
    13,987.03/20,984.19 = 6,194.02/x
  3. Step 3: Cross multiply
    13,987.03x = 20,984.19 × 6,194.02
  4. Step 4: Simplify right side
    13,987.03x = 129,976,492.54
  5. Step 5: Solve for x
    x = 129,976,492.54/13,987.03
  6. Step 6: Final answer
    x = 9,292.64

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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.