Home / 13,544.19-18,702.52-8,516.82

Finding the Fourth Proportional to 13,544.19, 18,702.52 and 8,516.82

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Solution

The fourth proportional to 13,544.19, 18,702.52 and 8,516.82 is: 11,760.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.19 : 18,702.52 = 8,516.82 : x
  2. Step 2: Convert to fraction form
    13,544.19/18,702.52 = 8,516.82/x
  3. Step 3: Cross multiply
    13,544.19x = 18,702.52 × 8,516.82
  4. Step 4: Simplify right side
    13,544.19x = 159,285,996.39
  5. Step 5: Solve for x
    x = 159,285,996.39/13,544.19
  6. Step 6: Final answer
    x = 11,760.47

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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.