Home / 20,072.82-30,113.46-7,592.57

Finding the Fourth Proportional to 20,072.82, 30,113.46 and 7,592.57

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Solution

The fourth proportional to 20,072.82, 30,113.46 and 7,592.57 is: 11,390.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,072.82 : 30,113.46 = 7,592.57 : x
  2. Step 2: Convert to fraction form
    20,072.82/30,113.46 = 7,592.57/x
  3. Step 3: Cross multiply
    20,072.82x = 30,113.46 × 7,592.57
  4. Step 4: Simplify right side
    20,072.82x = 228,638,402.42
  5. Step 5: Solve for x
    x = 228,638,402.42/20,072.82
  6. Step 6: Final answer
    x = 11,390.45

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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.