Home / 13,544.15-18,691.97-7,576.07

Finding the Fourth Proportional to 13,544.15, 18,691.97 and 7,576.07

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Solution

The fourth proportional to 13,544.15, 18,691.97 and 7,576.07 is: 10,455.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.15 : 18,691.97 = 7,576.07 : x
  2. Step 2: Convert to fraction form
    13,544.15/18,691.97 = 7,576.07/x
  3. Step 3: Cross multiply
    13,544.15x = 18,691.97 × 7,576.07
  4. Step 4: Simplify right side
    13,544.15x = 141,611,541.82
  5. Step 5: Solve for x
    x = 141,611,541.82/13,544.15
  6. Step 6: Final answer
    x = 10,455.55

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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.