Home / 19,375.99-29,026.65-13,105.10

Finding the Fourth Proportional to 19,375.99, 29,026.65 and 13,105.10

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Solution

The fourth proportional to 19,375.99, 29,026.65 and 13,105.10 is: 19,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,375.99 : 29,026.65 = 13,105.10 : x
  2. Step 2: Convert to fraction form
    19,375.99/29,026.65 = 13,105.10/x
  3. Step 3: Cross multiply
    19,375.99x = 29,026.65 × 13,105.10
  4. Step 4: Simplify right side
    19,375.99x = 380,397,150.92
  5. Step 5: Solve for x
    x = 380,397,150.92/19,375.99
  6. Step 6: Final answer
    x = 19,632.40

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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.