Home / 20,548.26-28,330.79-16,767.59

Finding the Fourth Proportional to 20,548.26, 28,330.79 and 16,767.59

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Solution

The fourth proportional to 20,548.26, 28,330.79 and 16,767.59 is: 23,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548.26 : 28,330.79 = 16,767.59 : x
  2. Step 2: Convert to fraction form
    20,548.26/28,330.79 = 16,767.59/x
  3. Step 3: Cross multiply
    20,548.26x = 28,330.79 × 16,767.59
  4. Step 4: Simplify right side
    20,548.26x = 475,038,845.60
  5. Step 5: Solve for x
    x = 475,038,845.60/20,548.26
  6. Step 6: Final answer
    x = 23,118.20

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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.