Home / 14,074.12-21,107.58-5,306.44

Finding the Fourth Proportional to 14,074.12, 21,107.58 and 5,306.44

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Solution

The fourth proportional to 14,074.12, 21,107.58 and 5,306.44 is: 7,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074.12 : 21,107.58 = 5,306.44 : x
  2. Step 2: Convert to fraction form
    14,074.12/21,107.58 = 5,306.44/x
  3. Step 3: Cross multiply
    14,074.12x = 21,107.58 × 5,306.44
  4. Step 4: Simplify right side
    14,074.12x = 112,006,106.82
  5. Step 5: Solve for x
    x = 112,006,106.82/14,074.12
  6. Step 6: Final answer
    x = 7,958.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.