Home / 18,952.20-26,146.71-10,992.96

Finding the Fourth Proportional to 18,952.20, 26,146.71 and 10,992.96

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Solution

The fourth proportional to 18,952.20, 26,146.71 and 10,992.96 is: 15,166.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,952.20 : 26,146.71 = 10,992.96 : x
  2. Step 2: Convert to fraction form
    18,952.20/26,146.71 = 10,992.96/x
  3. Step 3: Cross multiply
    18,952.20x = 26,146.71 × 10,992.96
  4. Step 4: Simplify right side
    18,952.20x = 287,429,737.16
  5. Step 5: Solve for x
    x = 287,429,737.16/18,952.20
  6. Step 6: Final answer
    x = 15,166.04

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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.