Home / 13,171.74-18,146.07-10,827.42

Finding the Fourth Proportional to 13,171.74, 18,146.07 and 10,827.42

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Solution

The fourth proportional to 13,171.74, 18,146.07 and 10,827.42 is: 14,916.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,171.74 : 18,146.07 = 10,827.42 : x
  2. Step 2: Convert to fraction form
    13,171.74/18,146.07 = 10,827.42/x
  3. Step 3: Cross multiply
    13,171.74x = 18,146.07 × 10,827.42
  4. Step 4: Simplify right side
    13,171.74x = 196,475,121.24
  5. Step 5: Solve for x
    x = 196,475,121.24/13,171.74
  6. Step 6: Final answer
    x = 14,916.41

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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.