Home / 25,622.01-38,418.84-13,789.80

Finding the Fourth Proportional to 25,622.01, 38,418.84 and 13,789.80

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Solution

The fourth proportional to 25,622.01, 38,418.84 and 13,789.80 is: 20,677.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,622.01 : 38,418.84 = 13,789.80 : x
  2. Step 2: Convert to fraction form
    25,622.01/38,418.84 = 13,789.80/x
  3. Step 3: Cross multiply
    25,622.01x = 38,418.84 × 13,789.80
  4. Step 4: Simplify right side
    25,622.01x = 529,788,119.83
  5. Step 5: Solve for x
    x = 529,788,119.83/25,622.01
  6. Step 6: Final answer
    x = 20,677.07

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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.