Home / 25,469.15-38,148.37-15,578.51

Finding the Fourth Proportional to 25,469.15, 38,148.37 and 15,578.51

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Solution

The fourth proportional to 25,469.15, 38,148.37 and 15,578.51 is: 23,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,469.15 : 38,148.37 = 15,578.51 : x
  2. Step 2: Convert to fraction form
    25,469.15/38,148.37 = 15,578.51/x
  3. Step 3: Cross multiply
    25,469.15x = 38,148.37 × 15,578.51
  4. Step 4: Simplify right side
    25,469.15x = 594,294,533.84
  5. Step 5: Solve for x
    x = 594,294,533.84/25,469.15
  6. Step 6: Final answer
    x = 23,333.90

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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.