Home / 12,516.94-18,684.07-11,591.92

Finding the Fourth Proportional to 12,516.94, 18,684.07 and 11,591.92

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Solution

The fourth proportional to 12,516.94, 18,684.07 and 11,591.92 is: 17,303.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,516.94 : 18,684.07 = 11,591.92 : x
  2. Step 2: Convert to fraction form
    12,516.94/18,684.07 = 11,591.92/x
  3. Step 3: Cross multiply
    12,516.94x = 18,684.07 × 11,591.92
  4. Step 4: Simplify right side
    12,516.94x = 216,584,244.71
  5. Step 5: Solve for x
    x = 216,584,244.71/12,516.94
  6. Step 6: Final answer
    x = 17,303.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.