Home / 13,891.62-19,176.59-8,862.43

Finding the Fourth Proportional to 13,891.62, 19,176.59 and 8,862.43

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Solution

The fourth proportional to 13,891.62, 19,176.59 and 8,862.43 is: 12,234.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891.62 : 19,176.59 = 8,862.43 : x
  2. Step 2: Convert to fraction form
    13,891.62/19,176.59 = 8,862.43/x
  3. Step 3: Cross multiply
    13,891.62x = 19,176.59 × 8,862.43
  4. Step 4: Simplify right side
    13,891.62x = 169,951,186.51
  5. Step 5: Solve for x
    x = 169,951,186.51/13,891.62
  6. Step 6: Final answer
    x = 12,234.08

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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.