Home / 12,873.81-19,311.53-4,552.95

Finding the Fourth Proportional to 12,873.81, 19,311.53 and 4,552.95

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Solution

The fourth proportional to 12,873.81, 19,311.53 and 4,552.95 is: 6,829.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,873.81 : 19,311.53 = 4,552.95 : x
  2. Step 2: Convert to fraction form
    12,873.81/19,311.53 = 4,552.95/x
  3. Step 3: Cross multiply
    12,873.81x = 19,311.53 × 4,552.95
  4. Step 4: Simplify right side
    12,873.81x = 87,924,407.75
  5. Step 5: Solve for x
    x = 87,924,407.75/12,873.81
  6. Step 6: Final answer
    x = 6,829.71

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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.