Home / 18,975.70-26,175.58-11,016.91

Finding the Fourth Proportional to 18,975.70, 26,175.58 and 11,016.91

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Solution

The fourth proportional to 18,975.70, 26,175.58 and 11,016.91 is: 15,197.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,975.70 : 26,175.58 = 11,016.91 : x
  2. Step 2: Convert to fraction form
    18,975.70/26,175.58 = 11,016.91/x
  3. Step 3: Cross multiply
    18,975.70x = 26,175.58 × 11,016.91
  4. Step 4: Simplify right side
    18,975.70x = 288,374,009.06
  5. Step 5: Solve for x
    x = 288,374,009.06/18,975.70
  6. Step 6: Final answer
    x = 15,197.02

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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.