Home / 18,976.68-26,185.83-11,017.35

Finding the Fourth Proportional to 18,976.68, 26,185.83 and 11,017.35

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Solution

The fourth proportional to 18,976.68, 26,185.83 and 11,017.35 is: 15,202.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976.68 : 26,185.83 = 11,017.35 : x
  2. Step 2: Convert to fraction form
    18,976.68/26,185.83 = 11,017.35/x
  3. Step 3: Cross multiply
    18,976.68x = 26,185.83 × 11,017.35
  4. Step 4: Simplify right side
    18,976.68x = 288,498,547.16
  5. Step 5: Solve for x
    x = 288,498,547.16/18,976.68
  6. Step 6: Final answer
    x = 15,202.79

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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.