Home / 25,651.26-38,495.93-19,419.12

Finding the Fourth Proportional to 25,651.26, 38,495.93 and 19,419.12

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Solution

The fourth proportional to 25,651.26, 38,495.93 and 19,419.12 is: 29,143.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,651.26 : 38,495.93 = 19,419.12 : x
  2. Step 2: Convert to fraction form
    25,651.26/38,495.93 = 19,419.12/x
  3. Step 3: Cross multiply
    25,651.26x = 38,495.93 × 19,419.12
  4. Step 4: Simplify right side
    25,651.26x = 747,556,987.09
  5. Step 5: Solve for x
    x = 747,556,987.09/25,651.26
  6. Step 6: Final answer
    x = 29,143.09

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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.