Home / 28,166.60-42,236.39-10,625.24

Finding the Fourth Proportional to 28,166.60, 42,236.39 and 10,625.24

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Solution

The fourth proportional to 28,166.60, 42,236.39 and 10,625.24 is: 15,932.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,166.60 : 42,236.39 = 10,625.24 : x
  2. Step 2: Convert to fraction form
    28,166.60/42,236.39 = 10,625.24/x
  3. Step 3: Cross multiply
    28,166.60x = 42,236.39 × 10,625.24
  4. Step 4: Simplify right side
    28,166.60x = 448,771,912.64
  5. Step 5: Solve for x
    x = 448,771,912.64/28,166.60
  6. Step 6: Final answer
    x = 15,932.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.