Home / 18,958.52-26,154.46-11,400.48

Finding the Fourth Proportional to 18,958.52, 26,154.46 and 11,400.48

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Solution

The fourth proportional to 18,958.52, 26,154.46 and 11,400.48 is: 15,727.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,958.52 : 26,154.46 = 11,400.48 : x
  2. Step 2: Convert to fraction form
    18,958.52/26,154.46 = 11,400.48/x
  3. Step 3: Cross multiply
    18,958.52x = 26,154.46 × 11,400.48
  4. Step 4: Simplify right side
    18,958.52x = 298,173,398.14
  5. Step 5: Solve for x
    x = 298,173,398.14/18,958.52
  6. Step 6: Final answer
    x = 15,727.67

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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.