Home / 19,036.24-28,534.74-7,949.38

Finding the Fourth Proportional to 19,036.24, 28,534.74 and 7,949.38

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Solution

The fourth proportional to 19,036.24, 28,534.74 and 7,949.38 is: 11,915.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,036.24 : 28,534.74 = 7,949.38 : x
  2. Step 2: Convert to fraction form
    19,036.24/28,534.74 = 7,949.38/x
  3. Step 3: Cross multiply
    19,036.24x = 28,534.74 × 7,949.38
  4. Step 4: Simplify right side
    19,036.24x = 226,833,491.46
  5. Step 5: Solve for x
    x = 226,833,491.46/19,036.24
  6. Step 6: Final answer
    x = 11,915.88

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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.