Home / 15,876.49-23,812.30-4,190.62

Finding the Fourth Proportional to 15,876.49, 23,812.30 and 4,190.62

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Solution

The fourth proportional to 15,876.49, 23,812.30 and 4,190.62 is: 6,285.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,876.49 : 23,812.30 = 4,190.62 : x
  2. Step 2: Convert to fraction form
    15,876.49/23,812.30 = 4,190.62/x
  3. Step 3: Cross multiply
    15,876.49x = 23,812.30 × 4,190.62
  4. Step 4: Simplify right side
    15,876.49x = 99,788,300.63
  5. Step 5: Solve for x
    x = 99,788,300.63/15,876.49
  6. Step 6: Final answer
    x = 6,285.29

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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.