Home / 19,040.70-28,538.97-11,256.06

Finding the Fourth Proportional to 19,040.70, 28,538.97 and 11,256.06

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Solution

The fourth proportional to 19,040.70, 28,538.97 and 11,256.06 is: 16,871.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.70 : 28,538.97 = 11,256.06 : x
  2. Step 2: Convert to fraction form
    19,040.70/28,538.97 = 11,256.06/x
  3. Step 3: Cross multiply
    19,040.70x = 28,538.97 × 11,256.06
  4. Step 4: Simplify right side
    19,040.70x = 321,236,358.66
  5. Step 5: Solve for x
    x = 321,236,358.66/19,040.70
  6. Step 6: Final answer
    x = 16,871.04

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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.