Home / 17,805.28-26,843.12-16,852.72

Finding the Fourth Proportional to 17,805.28, 26,843.12 and 16,852.72

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Solution

The fourth proportional to 17,805.28, 26,843.12 and 16,852.72 is: 25,407.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,805.28 : 26,843.12 = 16,852.72 : x
  2. Step 2: Convert to fraction form
    17,805.28/26,843.12 = 16,852.72/x
  3. Step 3: Cross multiply
    17,805.28x = 26,843.12 × 16,852.72
  4. Step 4: Simplify right side
    17,805.28x = 452,379,585.29
  5. Step 5: Solve for x
    x = 452,379,585.29/17,805.28
  6. Step 6: Final answer
    x = 25,407.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.