Home / 14,651.69-21,988.46-11,764.85

Finding the Fourth Proportional to 14,651.69, 21,988.46 and 11,764.85

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Solution

The fourth proportional to 14,651.69, 21,988.46 and 11,764.85 is: 17,656.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,651.69 : 21,988.46 = 11,764.85 : x
  2. Step 2: Convert to fraction form
    14,651.69/21,988.46 = 11,764.85/x
  3. Step 3: Cross multiply
    14,651.69x = 21,988.46 × 11,764.85
  4. Step 4: Simplify right side
    14,651.69x = 258,690,853.10
  5. Step 5: Solve for x
    x = 258,690,853.10/14,651.69
  6. Step 6: Final answer
    x = 17,656.05

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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.