Home / 14,189.42-19,574.38-8,521.44

Finding the Fourth Proportional to 14,189.42, 19,574.38 and 8,521.44

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Solution

The fourth proportional to 14,189.42, 19,574.38 and 8,521.44 is: 11,755.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189.42 : 19,574.38 = 8,521.44 : x
  2. Step 2: Convert to fraction form
    14,189.42/19,574.38 = 8,521.44/x
  3. Step 3: Cross multiply
    14,189.42x = 19,574.38 × 8,521.44
  4. Step 4: Simplify right side
    14,189.42x = 166,801,904.71
  5. Step 5: Solve for x
    x = 166,801,904.71/14,189.42
  6. Step 6: Final answer
    x = 11,755.37

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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.