Home / 27,618.11-38,111.96-16,880.96

Finding the Fourth Proportional to 27,618.11, 38,111.96 and 16,880.96

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Solution

The fourth proportional to 27,618.11, 38,111.96 and 16,880.96 is: 23,295.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,618.11 : 38,111.96 = 16,880.96 : x
  2. Step 2: Convert to fraction form
    27,618.11/38,111.96 = 16,880.96/x
  3. Step 3: Cross multiply
    27,618.11x = 38,111.96 × 16,880.96
  4. Step 4: Simplify right side
    27,618.11x = 643,366,197.32
  5. Step 5: Solve for x
    x = 643,366,197.32/27,618.11
  6. Step 6: Final answer
    x = 23,295.09

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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.