Home / 18,454.62-25,471.53-12,077.51

Finding the Fourth Proportional to 18,454.62, 25,471.53 and 12,077.51

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Solution

The fourth proportional to 18,454.62, 25,471.53 and 12,077.51 is: 16,669.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454.62 : 25,471.53 = 12,077.51 : x
  2. Step 2: Convert to fraction form
    18,454.62/25,471.53 = 12,077.51/x
  3. Step 3: Cross multiply
    18,454.62x = 25,471.53 × 12,077.51
  4. Step 4: Simplify right side
    18,454.62x = 307,632,597.90
  5. Step 5: Solve for x
    x = 307,632,597.90/18,454.62
  6. Step 6: Final answer
    x = 16,669.68

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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.