Home / 27,690.84-38,213.39-17,086.64

Finding the Fourth Proportional to 27,690.84, 38,213.39 and 17,086.64

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Solution

The fourth proportional to 27,690.84, 38,213.39 and 17,086.64 is: 23,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,690.84 : 38,213.39 = 17,086.64 : x
  2. Step 2: Convert to fraction form
    27,690.84/38,213.39 = 17,086.64/x
  3. Step 3: Cross multiply
    27,690.84x = 38,213.39 × 17,086.64
  4. Step 4: Simplify right side
    27,690.84x = 652,938,161.61
  5. Step 5: Solve for x
    x = 652,938,161.61/27,690.84
  6. Step 6: Final answer
    x = 23,579.57

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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.