Home / 22,655.20-31,263.34-12,584.30

Finding the Fourth Proportional to 22,655.20, 31,263.34 and 12,584.30

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Solution

The fourth proportional to 22,655.20, 31,263.34 and 12,584.30 is: 17,365.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,655.20 : 31,263.34 = 12,584.30 : x
  2. Step 2: Convert to fraction form
    22,655.20/31,263.34 = 12,584.30/x
  3. Step 3: Cross multiply
    22,655.20x = 31,263.34 × 12,584.30
  4. Step 4: Simplify right side
    22,655.20x = 393,427,249.56
  5. Step 5: Solve for x
    x = 393,427,249.56/22,655.20
  6. Step 6: Final answer
    x = 17,365.87

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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.