Home / 19,969.22-29,942.57-6,635.07

Finding the Fourth Proportional to 19,969.22, 29,942.57 and 6,635.07

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Solution

The fourth proportional to 19,969.22, 29,942.57 and 6,635.07 is: 9,948.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,969.22 : 29,942.57 = 6,635.07 : x
  2. Step 2: Convert to fraction form
    19,969.22/29,942.57 = 6,635.07/x
  3. Step 3: Cross multiply
    19,969.22x = 29,942.57 × 6,635.07
  4. Step 4: Simplify right side
    19,969.22x = 198,671,014.75
  5. Step 5: Solve for x
    x = 198,671,014.75/19,969.22
  6. Step 6: Final answer
    x = 9,948.86

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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.