Home / 19,224-28,821.96-12,968.46

Finding the Fourth Proportional to 19,224, 28,821.96 and 12,968.46

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Solution

The fourth proportional to 19,224, 28,821.96 and 12,968.46 is: 19,443.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,224 : 28,821.96 = 12,968.46 : x
  2. Step 2: Convert to fraction form
    19,224/28,821.96 = 12,968.46/x
  3. Step 3: Cross multiply
    19,224x = 28,821.96 × 12,968.46
  4. Step 4: Simplify right side
    19,224x = 373,776,435.38
  5. Step 5: Solve for x
    x = 373,776,435.38/19,224
  6. Step 6: Final answer
    x = 19,443.22

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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.