Home / 19,554.57-29,318.90-7,072.95

Finding the Fourth Proportional to 19,554.57, 29,318.90 and 7,072.95

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Solution

The fourth proportional to 19,554.57, 29,318.90 and 7,072.95 is: 10,604.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,554.57 : 29,318.90 = 7,072.95 : x
  2. Step 2: Convert to fraction form
    19,554.57/29,318.90 = 7,072.95/x
  3. Step 3: Cross multiply
    19,554.57x = 29,318.90 × 7,072.95
  4. Step 4: Simplify right side
    19,554.57x = 207,371,156.33
  5. Step 5: Solve for x
    x = 207,371,156.33/19,554.57
  6. Step 6: Final answer
    x = 10,604.74

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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.