Home / 14,576.20-21,886.30-11,645.80

Finding the Fourth Proportional to 14,576.20, 21,886.30 and 11,645.80

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Solution

The fourth proportional to 14,576.20, 21,886.30 and 11,645.80 is: 17,486.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,576.20 : 21,886.30 = 11,645.80 : x
  2. Step 2: Convert to fraction form
    14,576.20/21,886.30 = 11,645.80/x
  3. Step 3: Cross multiply
    14,576.20x = 21,886.30 × 11,645.80
  4. Step 4: Simplify right side
    14,576.20x = 254,883,472.54
  5. Step 5: Solve for x
    x = 254,883,472.54/14,576.20
  6. Step 6: Final answer
    x = 17,486.28

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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.