Home / 19,205.88-26,506.20-11,254.80

Finding the Fourth Proportional to 19,205.88, 26,506.20 and 11,254.80

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Solution

The fourth proportional to 19,205.88, 26,506.20 and 11,254.80 is: 15,532.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.88 : 26,506.20 = 11,254.80 : x
  2. Step 2: Convert to fraction form
    19,205.88/26,506.20 = 11,254.80/x
  3. Step 3: Cross multiply
    19,205.88x = 26,506.20 × 11,254.80
  4. Step 4: Simplify right side
    19,205.88x = 298,321,979.76
  5. Step 5: Solve for x
    x = 298,321,979.76/19,205.88
  6. Step 6: Final answer
    x = 15,532.85

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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.