Home / 17,891.76-26,717.16-14,611.36

Finding the Fourth Proportional to 17,891.76, 26,717.16 and 14,611.36

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Solution

The fourth proportional to 17,891.76, 26,717.16 and 14,611.36 is: 21,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,891.76 : 26,717.16 = 14,611.36 : x
  2. Step 2: Convert to fraction form
    17,891.76/26,717.16 = 14,611.36/x
  3. Step 3: Cross multiply
    17,891.76x = 26,717.16 × 14,611.36
  4. Step 4: Simplify right side
    17,891.76x = 390,374,042.94
  5. Step 5: Solve for x
    x = 390,374,042.94/17,891.76
  6. Step 6: Final answer
    x = 21,818.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.