Home / 19,098.30-28,673.10-11,208.90

Finding the Fourth Proportional to 19,098.30, 28,673.10 and 11,208.90

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Solution

The fourth proportional to 19,098.30, 28,673.10 and 11,208.90 is: 16,828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,098.30 : 28,673.10 = 11,208.90 : x
  2. Step 2: Convert to fraction form
    19,098.30/28,673.10 = 11,208.90/x
  3. Step 3: Cross multiply
    19,098.30x = 28,673.10 × 11,208.90
  4. Step 4: Simplify right side
    19,098.30x = 321,393,910.59
  5. Step 5: Solve for x
    x = 321,393,910.59/19,098.30
  6. Step 6: Final answer
    x = 16,828.40

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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.