Home / 14,149.10-21,224.70-4,289.18

Finding the Fourth Proportional to 14,149.10, 21,224.70 and 4,289.18

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Solution

The fourth proportional to 14,149.10, 21,224.70 and 4,289.18 is: 6,434.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.10 : 21,224.70 = 4,289.18 : x
  2. Step 2: Convert to fraction form
    14,149.10/21,224.70 = 4,289.18/x
  3. Step 3: Cross multiply
    14,149.10x = 21,224.70 × 4,289.18
  4. Step 4: Simplify right side
    14,149.10x = 91,036,558.75
  5. Step 5: Solve for x
    x = 91,036,558.75/14,149.10
  6. Step 6: Final answer
    x = 6,434.09

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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.