Home / 74,169.84-111,253.74-18,010.38

Finding the Fourth Proportional to 74,169.84, 111,253.74 and 18,010.38

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Solution

The fourth proportional to 74,169.84, 111,253.74 and 18,010.38 is: 27,015.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,169.84 : 111,253.74 = 18,010.38 : x
  2. Step 2: Convert to fraction form
    74,169.84/111,253.74 = 18,010.38/x
  3. Step 3: Cross multiply
    74,169.84x = 111,253.74 × 18,010.38
  4. Step 4: Simplify right side
    74,169.84x = 2,003,722,133.82
  5. Step 5: Solve for x
    x = 2,003,722,133.82/74,169.84
  6. Step 6: Final answer
    x = 27,015.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.