Home / 19,086.12-26,325.54-18,443.88

Finding the Fourth Proportional to 19,086.12, 26,325.54 and 18,443.88

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Solution

The fourth proportional to 19,086.12, 26,325.54 and 18,443.88 is: 25,439.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,086.12 : 26,325.54 = 18,443.88 : x
  2. Step 2: Convert to fraction form
    19,086.12/26,325.54 = 18,443.88/x
  3. Step 3: Cross multiply
    19,086.12x = 26,325.54 × 18,443.88
  4. Step 4: Simplify right side
    19,086.12x = 485,545,100.70
  5. Step 5: Solve for x
    x = 485,545,100.70/19,086.12
  6. Step 6: Final answer
    x = 25,439.70

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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.