Home / 16,110.13-22,221.75-11,640.45

Finding the Fourth Proportional to 16,110.13, 22,221.75 and 11,640.45

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Solution

The fourth proportional to 16,110.13, 22,221.75 and 11,640.45 is: 16,056.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,110.13 : 22,221.75 = 11,640.45 : x
  2. Step 2: Convert to fraction form
    16,110.13/22,221.75 = 11,640.45/x
  3. Step 3: Cross multiply
    16,110.13x = 22,221.75 × 11,640.45
  4. Step 4: Simplify right side
    16,110.13x = 258,671,169.79
  5. Step 5: Solve for x
    x = 258,671,169.79/16,110.13
  6. Step 6: Final answer
    x = 16,056.43

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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.