Home / 18,857.14-26,040.36-12,158.44

Finding the Fourth Proportional to 18,857.14, 26,040.36 and 12,158.44

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Solution

The fourth proportional to 18,857.14, 26,040.36 and 12,158.44 is: 16,789.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,857.14 : 26,040.36 = 12,158.44 : x
  2. Step 2: Convert to fraction form
    18,857.14/26,040.36 = 12,158.44/x
  3. Step 3: Cross multiply
    18,857.14x = 26,040.36 × 12,158.44
  4. Step 4: Simplify right side
    18,857.14x = 316,610,154.64
  5. Step 5: Solve for x
    x = 316,610,154.64/18,857.14
  6. Step 6: Final answer
    x = 16,789.93

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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.