Home / 19,397.96-29,104.26-7,719.44

Finding the Fourth Proportional to 19,397.96, 29,104.26 and 7,719.44

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Solution

The fourth proportional to 19,397.96, 29,104.26 and 7,719.44 is: 11,582.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,397.96 : 29,104.26 = 7,719.44 : x
  2. Step 2: Convert to fraction form
    19,397.96/29,104.26 = 7,719.44/x
  3. Step 3: Cross multiply
    19,397.96x = 29,104.26 × 7,719.44
  4. Step 4: Simplify right side
    19,397.96x = 224,668,588.81
  5. Step 5: Solve for x
    x = 224,668,588.81/19,397.96
  6. Step 6: Final answer
    x = 11,582.07

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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.