Home / 18,885.37-26,057.15-11,808.25

Finding the Fourth Proportional to 18,885.37, 26,057.15 and 11,808.25

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Solution

The fourth proportional to 18,885.37, 26,057.15 and 11,808.25 is: 16,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,885.37 : 26,057.15 = 11,808.25 : x
  2. Step 2: Convert to fraction form
    18,885.37/26,057.15 = 11,808.25/x
  3. Step 3: Cross multiply
    18,885.37x = 26,057.15 × 11,808.25
  4. Step 4: Simplify right side
    18,885.37x = 307,689,282.45
  5. Step 5: Solve for x
    x = 307,689,282.45/18,885.37
  6. Step 6: Final answer
    x = 16,292.47

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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.