Home / 18,858.51-28,296.99-13,347.27

Finding the Fourth Proportional to 18,858.51, 28,296.99 and 13,347.27

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Solution

The fourth proportional to 18,858.51, 28,296.99 and 13,347.27 is: 20,027.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,858.51 : 28,296.99 = 13,347.27 : x
  2. Step 2: Convert to fraction form
    18,858.51/28,296.99 = 13,347.27/x
  3. Step 3: Cross multiply
    18,858.51x = 28,296.99 × 13,347.27
  4. Step 4: Simplify right side
    18,858.51x = 377,687,565.72
  5. Step 5: Solve for x
    x = 377,687,565.72/18,858.51
  6. Step 6: Final answer
    x = 20,027.43

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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.