Home / 18,513.55-27,774.65-5,366.17

Finding the Fourth Proportional to 18,513.55, 27,774.65 and 5,366.17

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Solution

The fourth proportional to 18,513.55, 27,774.65 and 5,366.17 is: 8,050.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,513.55 : 27,774.65 = 5,366.17 : x
  2. Step 2: Convert to fraction form
    18,513.55/27,774.65 = 5,366.17/x
  3. Step 3: Cross multiply
    18,513.55x = 27,774.65 × 5,366.17
  4. Step 4: Simplify right side
    18,513.55x = 149,043,493.59
  5. Step 5: Solve for x
    x = 149,043,493.59/18,513.55
  6. Step 6: Final answer
    x = 8,050.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.