Home / 14,086.33-21,135.42-6,184.78

Finding the Fourth Proportional to 14,086.33, 21,135.42 and 6,184.78

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Solution

The fourth proportional to 14,086.33, 21,135.42 and 6,184.78 is: 9,279.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,086.33 : 21,135.42 = 6,184.78 : x
  2. Step 2: Convert to fraction form
    14,086.33/21,135.42 = 6,184.78/x
  3. Step 3: Cross multiply
    14,086.33x = 21,135.42 × 6,184.78
  4. Step 4: Simplify right side
    14,086.33x = 130,717,922.91
  5. Step 5: Solve for x
    x = 130,717,922.91/14,086.33
  6. Step 6: Final answer
    x = 9,279.77

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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.