Home / 18,809.66-25,957.26-10,851.86

Finding the Fourth Proportional to 18,809.66, 25,957.26 and 10,851.86

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Solution

The fourth proportional to 18,809.66, 25,957.26 and 10,851.86 is: 14,975.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,809.66 : 25,957.26 = 10,851.86 : x
  2. Step 2: Convert to fraction form
    18,809.66/25,957.26 = 10,851.86/x
  3. Step 3: Cross multiply
    18,809.66x = 25,957.26 × 10,851.86
  4. Step 4: Simplify right side
    18,809.66x = 281,684,551.50
  5. Step 5: Solve for x
    x = 281,684,551.50/18,809.66
  6. Step 6: Final answer
    x = 14,975.53

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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.