Home / 22,055.55-30,437.20-11,983.87

Finding the Fourth Proportional to 22,055.55, 30,437.20 and 11,983.87

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Solution

The fourth proportional to 22,055.55, 30,437.20 and 11,983.87 is: 16,538.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,055.55 : 30,437.20 = 11,983.87 : x
  2. Step 2: Convert to fraction form
    22,055.55/30,437.20 = 11,983.87/x
  3. Step 3: Cross multiply
    22,055.55x = 30,437.20 × 11,983.87
  4. Step 4: Simplify right side
    22,055.55x = 364,755,447.96
  5. Step 5: Solve for x
    x = 364,755,447.96/22,055.55
  6. Step 6: Final answer
    x = 16,538.03

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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.