Home / 27,986.16-41,983.70-9,266.88

Finding the Fourth Proportional to 27,986.16, 41,983.70 and 9,266.88

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Solution

The fourth proportional to 27,986.16, 41,983.70 and 9,266.88 is: 13,901.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,986.16 : 41,983.70 = 9,266.88 : x
  2. Step 2: Convert to fraction form
    27,986.16/41,983.70 = 9,266.88/x
  3. Step 3: Cross multiply
    27,986.16x = 41,983.70 × 9,266.88
  4. Step 4: Simplify right side
    27,986.16x = 389,057,863.52
  5. Step 5: Solve for x
    x = 389,057,863.52/27,986.16
  6. Step 6: Final answer
    x = 13,901.80

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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.