Home / 18,966.54-26,179-11,011.26

Finding the Fourth Proportional to 18,966.54, 26,179 and 11,011.26

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Solution

The fourth proportional to 18,966.54, 26,179 and 11,011.26 is: 15,198.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,966.54 : 26,179 = 11,011.26 : x
  2. Step 2: Convert to fraction form
    18,966.54/26,179 = 11,011.26/x
  3. Step 3: Cross multiply
    18,966.54x = 26,179 × 11,011.26
  4. Step 4: Simplify right side
    18,966.54x = 288,263,775.54
  5. Step 5: Solve for x
    x = 288,263,775.54/18,966.54
  6. Step 6: Final answer
    x = 15,198.54

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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.