Home / 16,530.43-22,811.30-9,360.74

Finding the Fourth Proportional to 16,530.43, 22,811.30 and 9,360.74

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Solution

The fourth proportional to 16,530.43, 22,811.30 and 9,360.74 is: 12,917.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,530.43 : 22,811.30 = 9,360.74 : x
  2. Step 2: Convert to fraction form
    16,530.43/22,811.30 = 9,360.74/x
  3. Step 3: Cross multiply
    16,530.43x = 22,811.30 × 9,360.74
  4. Step 4: Simplify right side
    16,530.43x = 213,530,648.36
  5. Step 5: Solve for x
    x = 213,530,648.36/16,530.43
  6. Step 6: Final answer
    x = 12,917.43

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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.