Home / 55,110.32-82,665.84-18,174.32

Finding the Fourth Proportional to 55,110.32, 82,665.84 and 18,174.32

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Solution

The fourth proportional to 55,110.32, 82,665.84 and 18,174.32 is: 27,261.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,110.32 : 82,665.84 = 18,174.32 : x
  2. Step 2: Convert to fraction form
    55,110.32/82,665.84 = 18,174.32/x
  3. Step 3: Cross multiply
    55,110.32x = 82,665.84 × 18,174.32
  4. Step 4: Simplify right side
    55,110.32x = 1,502,395,429.23
  5. Step 5: Solve for x
    x = 1,502,395,429.23/55,110.32
  6. Step 6: Final answer
    x = 27,261.60

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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.