Home / 18,934.72-26,121.18-11,848.84

Finding the Fourth Proportional to 18,934.72, 26,121.18 and 11,848.84

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Solution

The fourth proportional to 18,934.72, 26,121.18 and 11,848.84 is: 16,345.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,934.72 : 26,121.18 = 11,848.84 : x
  2. Step 2: Convert to fraction form
    18,934.72/26,121.18 = 11,848.84/x
  3. Step 3: Cross multiply
    18,934.72x = 26,121.18 × 11,848.84
  4. Step 4: Simplify right side
    18,934.72x = 309,505,682.43
  5. Step 5: Solve for x
    x = 309,505,682.43/18,934.72
  6. Step 6: Final answer
    x = 16,345.93

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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.