Home / 25,902.98-35,591.20-20,588.57

Finding the Fourth Proportional to 25,902.98, 35,591.20 and 20,588.57

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Solution

The fourth proportional to 25,902.98, 35,591.20 and 20,588.57 is: 28,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,902.98 : 35,591.20 = 20,588.57 : x
  2. Step 2: Convert to fraction form
    25,902.98/35,591.20 = 20,588.57/x
  3. Step 3: Cross multiply
    25,902.98x = 35,591.20 × 20,588.57
  4. Step 4: Simplify right side
    25,902.98x = 732,771,912.58
  5. Step 5: Solve for x
    x = 732,771,912.58/25,902.98
  6. Step 6: Final answer
    x = 28,289.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.