Home / 15,670.56-23,505.93-3,983.79

Finding the Fourth Proportional to 15,670.56, 23,505.93 and 3,983.79

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Solution

The fourth proportional to 15,670.56, 23,505.93 and 3,983.79 is: 5,975.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,670.56 : 23,505.93 = 3,983.79 : x
  2. Step 2: Convert to fraction form
    15,670.56/23,505.93 = 3,983.79/x
  3. Step 3: Cross multiply
    15,670.56x = 23,505.93 × 3,983.79
  4. Step 4: Simplify right side
    15,670.56x = 93,642,688.87
  5. Step 5: Solve for x
    x = 93,642,688.87/15,670.56
  6. Step 6: Final answer
    x = 5,975.71

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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.