Home / 18,106.62-24,953.31-14,121.42

Finding the Fourth Proportional to 18,106.62, 24,953.31 and 14,121.42

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Solution

The fourth proportional to 18,106.62, 24,953.31 and 14,121.42 is: 19,461.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106.62 : 24,953.31 = 14,121.42 : x
  2. Step 2: Convert to fraction form
    18,106.62/24,953.31 = 14,121.42/x
  3. Step 3: Cross multiply
    18,106.62x = 24,953.31 × 14,121.42
  4. Step 4: Simplify right side
    18,106.62x = 352,376,170.90
  5. Step 5: Solve for x
    x = 352,376,170.90/18,106.62
  6. Step 6: Final answer
    x = 19,461.18

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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.