Home / 25,404.72-38,089.26-13,725.60

Finding the Fourth Proportional to 25,404.72, 38,089.26 and 13,725.60

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Solution

The fourth proportional to 25,404.72, 38,089.26 and 13,725.60 is: 20,578.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,404.72 : 38,089.26 = 13,725.60 : x
  2. Step 2: Convert to fraction form
    25,404.72/38,089.26 = 13,725.60/x
  3. Step 3: Cross multiply
    25,404.72x = 38,089.26 × 13,725.60
  4. Step 4: Simplify right side
    25,404.72x = 522,797,947.06
  5. Step 5: Solve for x
    x = 522,797,947.06/25,404.72
  6. Step 6: Final answer
    x = 20,578.77

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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.