Home / 19,922.30-27,492.60-10,969.94

Finding the Fourth Proportional to 19,922.30, 27,492.60 and 10,969.94

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Solution

The fourth proportional to 19,922.30, 27,492.60 and 10,969.94 is: 15,138.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.30 : 27,492.60 = 10,969.94 : x
  2. Step 2: Convert to fraction form
    19,922.30/27,492.60 = 10,969.94/x
  3. Step 3: Cross multiply
    19,922.30x = 27,492.60 × 10,969.94
  4. Step 4: Simplify right side
    19,922.30x = 301,592,172.44
  5. Step 5: Solve for x
    x = 301,592,172.44/19,922.30
  6. Step 6: Final answer
    x = 15,138.42

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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.