Home / 19,378.38-29,093.52-11,495.46

Finding the Fourth Proportional to 19,378.38, 29,093.52 and 11,495.46

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Solution

The fourth proportional to 19,378.38, 29,093.52 and 11,495.46 is: 17,258.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,378.38 : 29,093.52 = 11,495.46 : x
  2. Step 2: Convert to fraction form
    19,378.38/29,093.52 = 11,495.46/x
  3. Step 3: Cross multiply
    19,378.38x = 29,093.52 × 11,495.46
  4. Step 4: Simplify right side
    19,378.38x = 334,443,395.42
  5. Step 5: Solve for x
    x = 334,443,395.42/19,378.38
  6. Step 6: Final answer
    x = 17,258.58

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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.