Home / 16,296.88-22,485.96-9,221.76

Finding the Fourth Proportional to 16,296.88, 22,485.96 and 9,221.76

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Solution

The fourth proportional to 16,296.88, 22,485.96 and 9,221.76 is: 12,723.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,296.88 : 22,485.96 = 9,221.76 : x
  2. Step 2: Convert to fraction form
    16,296.88/22,485.96 = 9,221.76/x
  3. Step 3: Cross multiply
    16,296.88x = 22,485.96 × 9,221.76
  4. Step 4: Simplify right side
    16,296.88x = 207,360,126.49
  5. Step 5: Solve for x
    x = 207,360,126.49/16,296.88
  6. Step 6: Final answer
    x = 12,723.92

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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.