Home / 15,566.66-21,505.41-10,201.85

Finding the Fourth Proportional to 15,566.66, 21,505.41 and 10,201.85

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Solution

The fourth proportional to 15,566.66, 21,505.41 and 10,201.85 is: 14,093.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,566.66 : 21,505.41 = 10,201.85 : x
  2. Step 2: Convert to fraction form
    15,566.66/21,505.41 = 10,201.85/x
  3. Step 3: Cross multiply
    15,566.66x = 21,505.41 × 10,201.85
  4. Step 4: Simplify right side
    15,566.66x = 219,394,808.47
  5. Step 5: Solve for x
    x = 219,394,808.47/15,566.66
  6. Step 6: Final answer
    x = 14,093.90

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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.