Home / 16,187.68-22,308.69-11,703.75

Finding the Fourth Proportional to 16,187.68, 22,308.69 and 11,703.75

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Solution

The fourth proportional to 16,187.68, 22,308.69 and 11,703.75 is: 16,129.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,187.68 : 22,308.69 = 11,703.75 : x
  2. Step 2: Convert to fraction form
    16,187.68/22,308.69 = 11,703.75/x
  3. Step 3: Cross multiply
    16,187.68x = 22,308.69 × 11,703.75
  4. Step 4: Simplify right side
    16,187.68x = 261,095,330.59
  5. Step 5: Solve for x
    x = 261,095,330.59/16,187.68
  6. Step 6: Final answer
    x = 16,129.26

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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.