Home / 18,954.85-26,149.23-10,992.46

Finding the Fourth Proportional to 18,954.85, 26,149.23 and 10,992.46

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Solution

The fourth proportional to 18,954.85, 26,149.23 and 10,992.46 is: 15,164.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954.85 : 26,149.23 = 10,992.46 : x
  2. Step 2: Convert to fraction form
    18,954.85/26,149.23 = 10,992.46/x
  3. Step 3: Cross multiply
    18,954.85x = 26,149.23 × 10,992.46
  4. Step 4: Simplify right side
    18,954.85x = 287,444,364.81
  5. Step 5: Solve for x
    x = 287,444,364.81/18,954.85
  6. Step 6: Final answer
    x = 15,164.69

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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.