Home / 16,221.69-24,215.21-14,253.39

Finding the Fourth Proportional to 16,221.69, 24,215.21 and 14,253.39

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Solution

The fourth proportional to 16,221.69, 24,215.21 and 14,253.39 is: 21,276.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,221.69 : 24,215.21 = 14,253.39 : x
  2. Step 2: Convert to fraction form
    16,221.69/24,215.21 = 14,253.39/x
  3. Step 3: Cross multiply
    16,221.69x = 24,215.21 × 14,253.39
  4. Step 4: Simplify right side
    16,221.69x = 345,148,760.79
  5. Step 5: Solve for x
    x = 345,148,760.79/16,221.69
  6. Step 6: Final answer
    x = 21,276.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.