Home / 18,275.85-25,237.71-13,453.52

Finding the Fourth Proportional to 18,275.85, 25,237.71 and 13,453.52

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Solution

The fourth proportional to 18,275.85, 25,237.71 and 13,453.52 is: 18,578.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275.85 : 25,237.71 = 13,453.52 : x
  2. Step 2: Convert to fraction form
    18,275.85/25,237.71 = 13,453.52/x
  3. Step 3: Cross multiply
    18,275.85x = 25,237.71 × 13,453.52
  4. Step 4: Simplify right side
    18,275.85x = 339,535,910.05
  5. Step 5: Solve for x
    x = 339,535,910.05/18,275.85
  6. Step 6: Final answer
    x = 18,578.39

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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.