Home / 18,824.61-25,956.69-12,009.54

Finding the Fourth Proportional to 18,824.61, 25,956.69 and 12,009.54

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Solution

The fourth proportional to 18,824.61, 25,956.69 and 12,009.54 is: 16,559.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.61 : 25,956.69 = 12,009.54 : x
  2. Step 2: Convert to fraction form
    18,824.61/25,956.69 = 12,009.54/x
  3. Step 3: Cross multiply
    18,824.61x = 25,956.69 × 12,009.54
  4. Step 4: Simplify right side
    18,824.61x = 311,727,906.82
  5. Step 5: Solve for x
    x = 311,727,906.82/18,824.61
  6. Step 6: Final answer
    x = 16,559.59

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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.