Home / 45,053.52-67,580.26-12,221.52

Finding the Fourth Proportional to 45,053.52, 67,580.26 and 12,221.52

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Solution

The fourth proportional to 45,053.52, 67,580.26 and 12,221.52 is: 18,332.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,053.52 : 67,580.26 = 12,221.52 : x
  2. Step 2: Convert to fraction form
    45,053.52/67,580.26 = 12,221.52/x
  3. Step 3: Cross multiply
    45,053.52x = 67,580.26 × 12,221.52
  4. Step 4: Simplify right side
    45,053.52x = 825,933,499.20
  5. Step 5: Solve for x
    x = 825,933,499.20/45,053.52
  6. Step 6: Final answer
    x = 18,332.27

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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.