Home / 19,390.85-26,758.66-11,849.80

Finding the Fourth Proportional to 19,390.85, 26,758.66 and 11,849.80

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Solution

The fourth proportional to 19,390.85, 26,758.66 and 11,849.80 is: 16,352.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,390.85 : 26,758.66 = 11,849.80 : x
  2. Step 2: Convert to fraction form
    19,390.85/26,758.66 = 11,849.80/x
  3. Step 3: Cross multiply
    19,390.85x = 26,758.66 × 11,849.80
  4. Step 4: Simplify right side
    19,390.85x = 317,084,672.75
  5. Step 5: Solve for x
    x = 317,084,672.75/19,390.85
  6. Step 6: Final answer
    x = 16,352.29

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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.