Home / 16,079.61-22,180.82-11,355.69

Finding the Fourth Proportional to 16,079.61, 22,180.82 and 11,355.69

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Solution

The fourth proportional to 16,079.61, 22,180.82 and 11,355.69 is: 15,664.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,079.61 : 22,180.82 = 11,355.69 : x
  2. Step 2: Convert to fraction form
    16,079.61/22,180.82 = 11,355.69/x
  3. Step 3: Cross multiply
    16,079.61x = 22,180.82 × 11,355.69
  4. Step 4: Simplify right side
    16,079.61x = 251,878,515.87
  5. Step 5: Solve for x
    x = 251,878,515.87/16,079.61
  6. Step 6: Final answer
    x = 15,664.47

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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.