Home / 14,149.18-21,226.49-5,383.40

Finding the Fourth Proportional to 14,149.18, 21,226.49 and 5,383.40

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Solution

The fourth proportional to 14,149.18, 21,226.49 and 5,383.40 is: 8,076.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.18 : 21,226.49 = 5,383.40 : x
  2. Step 2: Convert to fraction form
    14,149.18/21,226.49 = 5,383.40/x
  3. Step 3: Cross multiply
    14,149.18x = 21,226.49 × 5,383.40
  4. Step 4: Simplify right side
    14,149.18x = 114,270,573.40
  5. Step 5: Solve for x
    x = 114,270,573.40/14,149.18
  6. Step 6: Final answer
    x = 8,076.13

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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.