Home / 20,063.77-30,102.53-7,587.38

Finding the Fourth Proportional to 20,063.77, 30,102.53 and 7,587.38

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Solution

The fourth proportional to 20,063.77, 30,102.53 and 7,587.38 is: 11,383.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.77 : 30,102.53 = 7,587.38 : x
  2. Step 2: Convert to fraction form
    20,063.77/30,102.53 = 7,587.38/x
  3. Step 3: Cross multiply
    20,063.77x = 30,102.53 × 7,587.38
  4. Step 4: Simplify right side
    20,063.77x = 228,399,371.39
  5. Step 5: Solve for x
    x = 228,399,371.39/20,063.77
  6. Step 6: Final answer
    x = 11,383.67

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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.