Home / 18,130.55-27,195.14-4,982.58

Finding the Fourth Proportional to 18,130.55, 27,195.14 and 4,982.58

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Solution

The fourth proportional to 18,130.55, 27,195.14 and 4,982.58 is: 7,473.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.55 : 27,195.14 = 4,982.58 : x
  2. Step 2: Convert to fraction form
    18,130.55/27,195.14 = 4,982.58/x
  3. Step 3: Cross multiply
    18,130.55x = 27,195.14 × 4,982.58
  4. Step 4: Simplify right side
    18,130.55x = 135,501,973.12
  5. Step 5: Solve for x
    x = 135,501,973.12/18,130.55
  6. Step 6: Final answer
    x = 7,473.68

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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.