Home / 15,696.38-23,507.67-7,358.45

Finding the Fourth Proportional to 15,696.38, 23,507.67 and 7,358.45

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Solution

The fourth proportional to 15,696.38, 23,507.67 and 7,358.45 is: 11,020.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,696.38 : 23,507.67 = 7,358.45 : x
  2. Step 2: Convert to fraction form
    15,696.38/23,507.67 = 7,358.45/x
  3. Step 3: Cross multiply
    15,696.38x = 23,507.67 × 7,358.45
  4. Step 4: Simplify right side
    15,696.38x = 172,979,882.98
  5. Step 5: Solve for x
    x = 172,979,882.98/15,696.38
  6. Step 6: Final answer
    x = 11,020.37

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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.