Home / 14,282.84-19,704.20-8,614.36

Finding the Fourth Proportional to 14,282.84, 19,704.20 and 8,614.36

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Solution

The fourth proportional to 14,282.84, 19,704.20 and 8,614.36 is: 11,884.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.84 : 19,704.20 = 8,614.36 : x
  2. Step 2: Convert to fraction form
    14,282.84/19,704.20 = 8,614.36/x
  3. Step 3: Cross multiply
    14,282.84x = 19,704.20 × 8,614.36
  4. Step 4: Simplify right side
    14,282.84x = 169,739,044.59
  5. Step 5: Solve for x
    x = 169,739,044.59/14,282.84
  6. Step 6: Final answer
    x = 11,884.13

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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.