Home / 55,986.14-83,991.06-18,544.10

Finding the Fourth Proportional to 55,986.14, 83,991.06 and 18,544.10

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Solution

The fourth proportional to 55,986.14, 83,991.06 and 18,544.10 is: 27,820.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,986.14 : 83,991.06 = 18,544.10 : x
  2. Step 2: Convert to fraction form
    55,986.14/83,991.06 = 18,544.10/x
  3. Step 3: Cross multiply
    55,986.14x = 83,991.06 × 18,544.10
  4. Step 4: Simplify right side
    55,986.14x = 1,557,538,195.79
  5. Step 5: Solve for x
    x = 1,557,538,195.79/55,986.14
  6. Step 6: Final answer
    x = 27,820.07

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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.