Home / 16,150.45-22,281.29-11,911.69

Finding the Fourth Proportional to 16,150.45, 22,281.29 and 11,911.69

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Solution

The fourth proportional to 16,150.45, 22,281.29 and 11,911.69 is: 16,433.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,150.45 : 22,281.29 = 11,911.69 : x
  2. Step 2: Convert to fraction form
    16,150.45/22,281.29 = 11,911.69/x
  3. Step 3: Cross multiply
    16,150.45x = 22,281.29 × 11,911.69
  4. Step 4: Simplify right side
    16,150.45x = 265,407,707.87
  5. Step 5: Solve for x
    x = 265,407,707.87/16,150.45
  6. Step 6: Final answer
    x = 16,433.46

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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.