Home / 16,505.43-22,775.31-9,336.33

Finding the Fourth Proportional to 16,505.43, 22,775.31 and 9,336.33

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Solution

The fourth proportional to 16,505.43, 22,775.31 and 9,336.33 is: 12,882.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,505.43 : 22,775.31 = 9,336.33 : x
  2. Step 2: Convert to fraction form
    16,505.43/22,775.31 = 9,336.33/x
  3. Step 3: Cross multiply
    16,505.43x = 22,775.31 × 9,336.33
  4. Step 4: Simplify right side
    16,505.43x = 212,637,649.45
  5. Step 5: Solve for x
    x = 212,637,649.45/16,505.43
  6. Step 6: Final answer
    x = 12,882.89

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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.