Home / 19,518.42-26,934.48-11,021.52

Finding the Fourth Proportional to 19,518.42, 26,934.48 and 11,021.52

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Solution

The fourth proportional to 19,518.42, 26,934.48 and 11,021.52 is: 15,209.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.42 : 26,934.48 = 11,021.52 : x
  2. Step 2: Convert to fraction form
    19,518.42/26,934.48 = 11,021.52/x
  3. Step 3: Cross multiply
    19,518.42x = 26,934.48 × 11,021.52
  4. Step 4: Simplify right side
    19,518.42x = 296,858,910.01
  5. Step 5: Solve for x
    x = 296,858,910.01/19,518.42
  6. Step 6: Final answer
    x = 15,209.17

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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.