Home / 20,058.01-27,680.27-11,105.67

Finding the Fourth Proportional to 20,058.01, 27,680.27 and 11,105.67

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Solution

The fourth proportional to 20,058.01, 27,680.27 and 11,105.67 is: 15,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058.01 : 27,680.27 = 11,105.67 : x
  2. Step 2: Convert to fraction form
    20,058.01/27,680.27 = 11,105.67/x
  3. Step 3: Cross multiply
    20,058.01x = 27,680.27 × 11,105.67
  4. Step 4: Simplify right side
    20,058.01x = 307,407,971.90
  5. Step 5: Solve for x
    x = 307,407,971.90/20,058.01
  6. Step 6: Final answer
    x = 15,325.95

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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.