Home / 74,168.84-111,252.24-18,009.38

Finding the Fourth Proportional to 74,168.84, 111,252.24 and 18,009.38

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Solution

The fourth proportional to 74,168.84, 111,252.24 and 18,009.38 is: 27,013.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,168.84 : 111,252.24 = 18,009.38 : x
  2. Step 2: Convert to fraction form
    74,168.84/111,252.24 = 18,009.38/x
  3. Step 3: Cross multiply
    74,168.84x = 111,252.24 × 18,009.38
  4. Step 4: Simplify right side
    74,168.84x = 2,003,583,866.01
  5. Step 5: Solve for x
    x = 2,003,583,866.01/74,168.84
  6. Step 6: Final answer
    x = 27,013.82

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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.