Home / 13,576.70-18,744.59-11,064.82

Finding the Fourth Proportional to 13,576.70, 18,744.59 and 11,064.82

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Solution

The fourth proportional to 13,576.70, 18,744.59 and 11,064.82 is: 15,276.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.70 : 18,744.59 = 11,064.82 : x
  2. Step 2: Convert to fraction form
    13,576.70/18,744.59 = 11,064.82/x
  3. Step 3: Cross multiply
    13,576.70x = 18,744.59 × 11,064.82
  4. Step 4: Simplify right side
    13,576.70x = 207,405,514.32
  5. Step 5: Solve for x
    x = 207,405,514.32/13,576.70
  6. Step 6: Final answer
    x = 15,276.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.