Home / 14,513.80-21,772.38-5,749.48

Finding the Fourth Proportional to 14,513.80, 21,772.38 and 5,749.48

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Solution

The fourth proportional to 14,513.80, 21,772.38 and 5,749.48 is: 8,624.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,513.80 : 21,772.38 = 5,749.48 : x
  2. Step 2: Convert to fraction form
    14,513.80/21,772.38 = 5,749.48/x
  3. Step 3: Cross multiply
    14,513.80x = 21,772.38 × 5,749.48
  4. Step 4: Simplify right side
    14,513.80x = 125,179,863.36
  5. Step 5: Solve for x
    x = 125,179,863.36/14,513.80
  6. Step 6: Final answer
    x = 8,624.89

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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.