Home / 18,932.82-26,126.70-10,867.80

Finding the Fourth Proportional to 18,932.82, 26,126.70 and 10,867.80

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Solution

The fourth proportional to 18,932.82, 26,126.70 and 10,867.80 is: 14,997.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932.82 : 26,126.70 = 10,867.80 : x
  2. Step 2: Convert to fraction form
    18,932.82/26,126.70 = 10,867.80/x
  3. Step 3: Cross multiply
    18,932.82x = 26,126.70 × 10,867.80
  4. Step 4: Simplify right side
    18,932.82x = 283,939,750.26
  5. Step 5: Solve for x
    x = 283,939,750.26/18,932.82
  6. Step 6: Final answer
    x = 14,997.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.