Home / 18,661.16-25,750.70-11,106.27

Finding the Fourth Proportional to 18,661.16, 25,750.70 and 11,106.27

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Solution

The fourth proportional to 18,661.16, 25,750.70 and 11,106.27 is: 15,325.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,661.16 : 25,750.70 = 11,106.27 : x
  2. Step 2: Convert to fraction form
    18,661.16/25,750.70 = 11,106.27/x
  3. Step 3: Cross multiply
    18,661.16x = 25,750.70 × 11,106.27
  4. Step 4: Simplify right side
    18,661.16x = 285,994,226.89
  5. Step 5: Solve for x
    x = 285,994,226.89/18,661.16
  6. Step 6: Final answer
    x = 15,325.64

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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.