Home / 25,861.44-35,638.72-18,396.48

Finding the Fourth Proportional to 25,861.44, 35,638.72 and 18,396.48

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Solution

The fourth proportional to 25,861.44, 35,638.72 and 18,396.48 is: 25,351.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,861.44 : 35,638.72 = 18,396.48 : x
  2. Step 2: Convert to fraction form
    25,861.44/35,638.72 = 18,396.48/x
  3. Step 3: Cross multiply
    25,861.44x = 35,638.72 × 18,396.48
  4. Step 4: Simplify right side
    25,861.44x = 655,626,999.71
  5. Step 5: Solve for x
    x = 655,626,999.71/25,861.44
  6. Step 6: Final answer
    x = 25,351.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.