Home / 13,244.85-18,272.73-7,576.59

Finding the Fourth Proportional to 13,244.85, 18,272.73 and 7,576.59

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Solution

The fourth proportional to 13,244.85, 18,272.73 and 7,576.59 is: 10,452.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.85 : 18,272.73 = 7,576.59 : x
  2. Step 2: Convert to fraction form
    13,244.85/18,272.73 = 7,576.59/x
  3. Step 3: Cross multiply
    13,244.85x = 18,272.73 × 7,576.59
  4. Step 4: Simplify right side
    13,244.85x = 138,444,983.39
  5. Step 5: Solve for x
    x = 138,444,983.39/13,244.85
  6. Step 6: Final answer
    x = 10,452.74

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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.