Home / 19,193.40-26,295.05-18,474.30

Finding the Fourth Proportional to 19,193.40, 26,295.05 and 18,474.30

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Solution

The fourth proportional to 19,193.40, 26,295.05 and 18,474.30 is: 25,309.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193.40 : 26,295.05 = 18,474.30 : x
  2. Step 2: Convert to fraction form
    19,193.40/26,295.05 = 18,474.30/x
  3. Step 3: Cross multiply
    19,193.40x = 26,295.05 × 18,474.30
  4. Step 4: Simplify right side
    19,193.40x = 485,782,642.22
  5. Step 5: Solve for x
    x = 485,782,642.22/19,193.40
  6. Step 6: Final answer
    x = 25,309.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.