Home / 18,958.96-26,166.56-11,007.84

Finding the Fourth Proportional to 18,958.96, 26,166.56 and 11,007.84

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Solution

The fourth proportional to 18,958.96, 26,166.56 and 11,007.84 is: 15,192.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,958.96 : 26,166.56 = 11,007.84 : x
  2. Step 2: Convert to fraction form
    18,958.96/26,166.56 = 11,007.84/x
  3. Step 3: Cross multiply
    18,958.96x = 26,166.56 × 11,007.84
  4. Step 4: Simplify right side
    18,958.96x = 288,037,305.83
  5. Step 5: Solve for x
    x = 288,037,305.83/18,958.96
  6. Step 6: Final answer
    x = 15,192.67

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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.