Home / 55,628.90-83,448.48-18,189.16

Finding the Fourth Proportional to 55,628.90, 83,448.48 and 18,189.16

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Solution

The fourth proportional to 55,628.90, 83,448.48 and 18,189.16 is: 27,285.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,628.90 : 83,448.48 = 18,189.16 : x
  2. Step 2: Convert to fraction form
    55,628.90/83,448.48 = 18,189.16/x
  3. Step 3: Cross multiply
    55,628.90x = 83,448.48 × 18,189.16
  4. Step 4: Simplify right side
    55,628.90x = 1,517,857,754.48
  5. Step 5: Solve for x
    x = 1,517,857,754.48/55,628.90
  6. Step 6: Final answer
    x = 27,285.42

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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.