Home / 18,741.77-25,861.15-12,036.48

Finding the Fourth Proportional to 18,741.77, 25,861.15 and 12,036.48

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Solution

The fourth proportional to 18,741.77, 25,861.15 and 12,036.48 is: 16,608.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741.77 : 25,861.15 = 12,036.48 : x
  2. Step 2: Convert to fraction form
    18,741.77/25,861.15 = 12,036.48/x
  3. Step 3: Cross multiply
    18,741.77x = 25,861.15 × 12,036.48
  4. Step 4: Simplify right side
    18,741.77x = 311,277,244.43
  5. Step 5: Solve for x
    x = 311,277,244.43/18,741.77
  6. Step 6: Final answer
    x = 16,608.74

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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.