Home / 25,435.45-38,145.37-17,588.39

Finding the Fourth Proportional to 25,435.45, 38,145.37 and 17,588.39

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Solution

The fourth proportional to 25,435.45, 38,145.37 and 17,588.39 is: 26,377.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,435.45 : 38,145.37 = 17,588.39 : x
  2. Step 2: Convert to fraction form
    25,435.45/38,145.37 = 17,588.39/x
  3. Step 3: Cross multiply
    25,435.45x = 38,145.37 × 17,588.39
  4. Step 4: Simplify right side
    25,435.45x = 670,915,644.25
  5. Step 5: Solve for x
    x = 670,915,644.25/25,435.45
  6. Step 6: Final answer
    x = 26,377.19

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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.