Home / 16,519.48-22,765.39-16,215.80

Finding the Fourth Proportional to 16,519.48, 22,765.39 and 16,215.80

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Solution

The fourth proportional to 16,519.48, 22,765.39 and 16,215.80 is: 22,346.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,519.48 : 22,765.39 = 16,215.80 : x
  2. Step 2: Convert to fraction form
    16,519.48/22,765.39 = 16,215.80/x
  3. Step 3: Cross multiply
    16,519.48x = 22,765.39 × 16,215.80
  4. Step 4: Simplify right side
    16,519.48x = 369,158,930.08
  5. Step 5: Solve for x
    x = 369,158,930.08/16,519.48
  6. Step 6: Final answer
    x = 22,346.89

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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.