Home / 27,185.21-40,780.10-11,602.97

Finding the Fourth Proportional to 27,185.21, 40,780.10 and 11,602.97

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Solution

The fourth proportional to 27,185.21, 40,780.10 and 11,602.97 is: 17,405.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,185.21 : 40,780.10 = 11,602.97 : x
  2. Step 2: Convert to fraction form
    27,185.21/40,780.10 = 11,602.97/x
  3. Step 3: Cross multiply
    27,185.21x = 40,780.10 × 11,602.97
  4. Step 4: Simplify right side
    27,185.21x = 473,170,276.90
  5. Step 5: Solve for x
    x = 473,170,276.90/27,185.21
  6. Step 6: Final answer
    x = 17,405.43

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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.