Home / 18,548.27-25,608.40-12,186.17

Finding the Fourth Proportional to 18,548.27, 25,608.40 and 12,186.17

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Solution

The fourth proportional to 18,548.27, 25,608.40 and 12,186.17 is: 16,824.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.27 : 25,608.40 = 12,186.17 : x
  2. Step 2: Convert to fraction form
    18,548.27/25,608.40 = 12,186.17/x
  3. Step 3: Cross multiply
    18,548.27x = 25,608.40 × 12,186.17
  4. Step 4: Simplify right side
    18,548.27x = 312,068,187.79
  5. Step 5: Solve for x
    x = 312,068,187.79/18,548.27
  6. Step 6: Final answer
    x = 16,824.66

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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.