Home / 20,301.29-28,016.19-11,226.67

Finding the Fourth Proportional to 20,301.29, 28,016.19 and 11,226.67

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Solution

The fourth proportional to 20,301.29, 28,016.19 and 11,226.67 is: 15,493.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,301.29 : 28,016.19 = 11,226.67 : x
  2. Step 2: Convert to fraction form
    20,301.29/28,016.19 = 11,226.67/x
  3. Step 3: Cross multiply
    20,301.29x = 28,016.19 × 11,226.67
  4. Step 4: Simplify right side
    20,301.29x = 314,528,519.79
  5. Step 5: Solve for x
    x = 314,528,519.79/20,301.29
  6. Step 6: Final answer
    x = 15,493.03

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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.