Home / 14,664.16-20,236.53-7,950

Finding the Fourth Proportional to 14,664.16, 20,236.53 and 7,950

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Solution

The fourth proportional to 14,664.16, 20,236.53 and 7,950 is: 10,970.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.16 : 20,236.53 = 7,950 : x
  2. Step 2: Convert to fraction form
    14,664.16/20,236.53 = 7,950/x
  3. Step 3: Cross multiply
    14,664.16x = 20,236.53 × 7,950
  4. Step 4: Simplify right side
    14,664.16x = 160,880,413.50
  5. Step 5: Solve for x
    x = 160,880,413.50/14,664.16
  6. Step 6: Final answer
    x = 10,970.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.