Home / 19,360.11-29,040.39-18,415.83

Finding the Fourth Proportional to 19,360.11, 29,040.39 and 18,415.83

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Solution

The fourth proportional to 19,360.11, 29,040.39 and 18,415.83 is: 27,623.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.11 : 29,040.39 = 18,415.83 : x
  2. Step 2: Convert to fraction form
    19,360.11/29,040.39 = 18,415.83/x
  3. Step 3: Cross multiply
    19,360.11x = 29,040.39 × 18,415.83
  4. Step 4: Simplify right side
    19,360.11x = 534,802,885.37
  5. Step 5: Solve for x
    x = 534,802,885.37/19,360.11
  6. Step 6: Final answer
    x = 27,623.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.