Home / 18,627.05-25,703.39-10,669.61

Finding the Fourth Proportional to 18,627.05, 25,703.39 and 10,669.61

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Solution

The fourth proportional to 18,627.05, 25,703.39 and 10,669.61 is: 14,722.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627.05 : 25,703.39 = 10,669.61 : x
  2. Step 2: Convert to fraction form
    18,627.05/25,703.39 = 10,669.61/x
  3. Step 3: Cross multiply
    18,627.05x = 25,703.39 × 10,669.61
  4. Step 4: Simplify right side
    18,627.05x = 274,245,093.63
  5. Step 5: Solve for x
    x = 274,245,093.63/18,627.05
  6. Step 6: Final answer
    x = 14,722.95

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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.