Home / 14,705.40-22,067.55-8,136.30

Finding the Fourth Proportional to 14,705.40, 22,067.55 and 8,136.30

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Solution

The fourth proportional to 14,705.40, 22,067.55 and 8,136.30 is: 12,209.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,705.40 : 22,067.55 = 8,136.30 : x
  2. Step 2: Convert to fraction form
    14,705.40/22,067.55 = 8,136.30/x
  3. Step 3: Cross multiply
    14,705.40x = 22,067.55 × 8,136.30
  4. Step 4: Simplify right side
    14,705.40x = 179,548,207.07
  5. Step 5: Solve for x
    x = 179,548,207.07/14,705.40
  6. Step 6: Final answer
    x = 12,209.68

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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.