Home / 25,072.42-37,609.67-20,681.70

Finding the Fourth Proportional to 25,072.42, 37,609.67 and 20,681.70

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Solution

The fourth proportional to 25,072.42, 37,609.67 and 20,681.70 is: 31,023.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,072.42 : 37,609.67 = 20,681.70 : x
  2. Step 2: Convert to fraction form
    25,072.42/37,609.67 = 20,681.70/x
  3. Step 3: Cross multiply
    25,072.42x = 37,609.67 × 20,681.70
  4. Step 4: Simplify right side
    25,072.42x = 777,831,912.04
  5. Step 5: Solve for x
    x = 777,831,912.04/25,072.42
  6. Step 6: Final answer
    x = 31,023.41

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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.