Home / 14,492.20-21,736.56-3,963

Finding the Fourth Proportional to 14,492.20, 21,736.56 and 3,963

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Solution

The fourth proportional to 14,492.20, 21,736.56 and 3,963 is: 5,944.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,492.20 : 21,736.56 = 3,963 : x
  2. Step 2: Convert to fraction form
    14,492.20/21,736.56 = 3,963/x
  3. Step 3: Cross multiply
    14,492.20x = 21,736.56 × 3,963
  4. Step 4: Simplify right side
    14,492.20x = 86,141,987.28
  5. Step 5: Solve for x
    x = 86,141,987.28/14,492.20
  6. Step 6: Final answer
    x = 5,944.02

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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.