Home / 15,679.76-23,513.49-6,318.03

Finding the Fourth Proportional to 15,679.76, 23,513.49 and 6,318.03

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Solution

The fourth proportional to 15,679.76, 23,513.49 and 6,318.03 is: 9,474.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,679.76 : 23,513.49 = 6,318.03 : x
  2. Step 2: Convert to fraction form
    15,679.76/23,513.49 = 6,318.03/x
  3. Step 3: Cross multiply
    15,679.76x = 23,513.49 × 6,318.03
  4. Step 4: Simplify right side
    15,679.76x = 148,558,935.22
  5. Step 5: Solve for x
    x = 148,558,935.22/15,679.76
  6. Step 6: Final answer
    x = 9,474.57

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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.