Home / 14,099.46-19,457.56-7,811.86

Finding the Fourth Proportional to 14,099.46, 19,457.56 and 7,811.86

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Solution

The fourth proportional to 14,099.46, 19,457.56 and 7,811.86 is: 10,780.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.46 : 19,457.56 = 7,811.86 : x
  2. Step 2: Convert to fraction form
    14,099.46/19,457.56 = 7,811.86/x
  3. Step 3: Cross multiply
    14,099.46x = 19,457.56 × 7,811.86
  4. Step 4: Simplify right side
    14,099.46x = 151,999,734.66
  5. Step 5: Solve for x
    x = 151,999,734.66/14,099.46
  6. Step 6: Final answer
    x = 10,780.54

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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.