Home / 18,085.01-27,090.45-10,667.03

Finding the Fourth Proportional to 18,085.01, 27,090.45 and 10,667.03

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Solution

The fourth proportional to 18,085.01, 27,090.45 and 10,667.03 is: 15,978.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085.01 : 27,090.45 = 10,667.03 : x
  2. Step 2: Convert to fraction form
    18,085.01/27,090.45 = 10,667.03/x
  3. Step 3: Cross multiply
    18,085.01x = 27,090.45 × 10,667.03
  4. Step 4: Simplify right side
    18,085.01x = 288,974,507.41
  5. Step 5: Solve for x
    x = 288,974,507.41/18,085.01
  6. Step 6: Final answer
    x = 15,978.68

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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.