Home / 14,103.74-21,168.30-7,535.54

Finding the Fourth Proportional to 14,103.74, 21,168.30 and 7,535.54

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Solution

The fourth proportional to 14,103.74, 21,168.30 and 7,535.54 is: 11,310.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.74 : 21,168.30 = 7,535.54 : x
  2. Step 2: Convert to fraction form
    14,103.74/21,168.30 = 7,535.54/x
  3. Step 3: Cross multiply
    14,103.74x = 21,168.30 × 7,535.54
  4. Step 4: Simplify right side
    14,103.74x = 159,514,571.38
  5. Step 5: Solve for x
    x = 159,514,571.38/14,103.74
  6. Step 6: Final answer
    x = 11,310.09

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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.