Home / 20,588.58-28,391.45-16,799.58

Finding the Fourth Proportional to 20,588.58, 28,391.45 and 16,799.58

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Solution

The fourth proportional to 20,588.58, 28,391.45 and 16,799.58 is: 23,166.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,588.58 : 28,391.45 = 16,799.58 : x
  2. Step 2: Convert to fraction form
    20,588.58/28,391.45 = 16,799.58/x
  3. Step 3: Cross multiply
    20,588.58x = 28,391.45 × 16,799.58
  4. Step 4: Simplify right side
    20,588.58x = 476,964,351.59
  5. Step 5: Solve for x
    x = 476,964,351.59/20,588.58
  6. Step 6: Final answer
    x = 23,166.45

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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.