Home / 20,797.56-28,651.98-14,498.68

Finding the Fourth Proportional to 20,797.56, 28,651.98 and 14,498.68

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Solution

The fourth proportional to 20,797.56, 28,651.98 and 14,498.68 is: 19,974.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,797.56 : 28,651.98 = 14,498.68 : x
  2. Step 2: Convert to fraction form
    20,797.56/28,651.98 = 14,498.68/x
  3. Step 3: Cross multiply
    20,797.56x = 28,651.98 × 14,498.68
  4. Step 4: Simplify right side
    20,797.56x = 415,415,889.39
  5. Step 5: Solve for x
    x = 415,415,889.39/20,797.56
  6. Step 6: Final answer
    x = 19,974.26

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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.