Home / 27,699.84-38,214.18-16,936.56

Finding the Fourth Proportional to 27,699.84, 38,214.18 and 16,936.56

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Solution

The fourth proportional to 27,699.84, 38,214.18 and 16,936.56 is: 23,365.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699.84 : 38,214.18 = 16,936.56 : x
  2. Step 2: Convert to fraction form
    27,699.84/38,214.18 = 16,936.56/x
  3. Step 3: Cross multiply
    27,699.84x = 38,214.18 × 16,936.56
  4. Step 4: Simplify right side
    27,699.84x = 647,216,752.42
  5. Step 5: Solve for x
    x = 647,216,752.42/27,699.84
  6. Step 6: Final answer
    x = 23,365.36

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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.