Home / 19,402.96-29,104.62-7,719.16

Finding the Fourth Proportional to 19,402.96, 29,104.62 and 7,719.16

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Solution

The fourth proportional to 19,402.96, 29,104.62 and 7,719.16 is: 11,578.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,402.96 : 29,104.62 = 7,719.16 : x
  2. Step 2: Convert to fraction form
    19,402.96/29,104.62 = 7,719.16/x
  3. Step 3: Cross multiply
    19,402.96x = 29,104.62 × 7,719.16
  4. Step 4: Simplify right side
    19,402.96x = 224,663,218.52
  5. Step 5: Solve for x
    x = 224,663,218.52/19,402.96
  6. Step 6: Final answer
    x = 11,578.81

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1.5x scale

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.