Home / 16,221.48-22,352.58-11,187.24

Finding the Fourth Proportional to 16,221.48, 22,352.58 and 11,187.24

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Solution

The fourth proportional to 16,221.48, 22,352.58 and 11,187.24 is: 15,415.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,221.48 : 22,352.58 = 11,187.24 : x
  2. Step 2: Convert to fraction form
    16,221.48/22,352.58 = 11,187.24/x
  3. Step 3: Cross multiply
    16,221.48x = 22,352.58 × 11,187.24
  4. Step 4: Simplify right side
    16,221.48x = 250,063,677.08
  5. Step 5: Solve for x
    x = 250,063,677.08/16,221.48
  6. Step 6: Final answer
    x = 15,415.59

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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.