Home / 25,189.70-37,740.78-17,677.35

Finding the Fourth Proportional to 25,189.70, 37,740.78 and 17,677.35

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Solution

The fourth proportional to 25,189.70, 37,740.78 and 17,677.35 is: 26,485.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,189.70 : 37,740.78 = 17,677.35 : x
  2. Step 2: Convert to fraction form
    25,189.70/37,740.78 = 17,677.35/x
  3. Step 3: Cross multiply
    25,189.70x = 37,740.78 × 17,677.35
  4. Step 4: Simplify right side
    25,189.70x = 667,156,977.33
  5. Step 5: Solve for x
    x = 667,156,977.33/25,189.70
  6. Step 6: Final answer
    x = 26,485.31

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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.