Home / 18,452.88-25,453.98-11,374.02

Finding the Fourth Proportional to 18,452.88, 25,453.98 and 11,374.02

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Solution

The fourth proportional to 18,452.88, 25,453.98 and 11,374.02 is: 15,689.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452.88 : 25,453.98 = 11,374.02 : x
  2. Step 2: Convert to fraction form
    18,452.88/25,453.98 = 11,374.02/x
  3. Step 3: Cross multiply
    18,452.88x = 25,453.98 × 11,374.02
  4. Step 4: Simplify right side
    18,452.88x = 289,514,077.60
  5. Step 5: Solve for x
    x = 289,514,077.60/18,452.88
  6. Step 6: Final answer
    x = 15,689.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.