Home / 25,309.45-37,942.57-17,890.57

Finding the Fourth Proportional to 25,309.45, 37,942.57 and 17,890.57

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Solution

The fourth proportional to 25,309.45, 37,942.57 and 17,890.57 is: 26,820.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,309.45 : 37,942.57 = 17,890.57 : x
  2. Step 2: Convert to fraction form
    25,309.45/37,942.57 = 17,890.57/x
  3. Step 3: Cross multiply
    25,309.45x = 37,942.57 × 17,890.57
  4. Step 4: Simplify right side
    25,309.45x = 678,814,204.56
  5. Step 5: Solve for x
    x = 678,814,204.56/25,309.45
  6. Step 6: Final answer
    x = 26,820.58

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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.