Home / 13,042.80-19,569.51-4,723.70

Finding the Fourth Proportional to 13,042.80, 19,569.51 and 4,723.70

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Solution

The fourth proportional to 13,042.80, 19,569.51 and 4,723.70 is: 7,087.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042.80 : 19,569.51 = 4,723.70 : x
  2. Step 2: Convert to fraction form
    13,042.80/19,569.51 = 4,723.70/x
  3. Step 3: Cross multiply
    13,042.80x = 19,569.51 × 4,723.70
  4. Step 4: Simplify right side
    13,042.80x = 92,440,396.54
  5. Step 5: Solve for x
    x = 92,440,396.54/13,042.80
  6. Step 6: Final answer
    x = 7,087.47

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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.