Home / 25,170.80-37,799.40-17,826.80

Finding the Fourth Proportional to 25,170.80, 37,799.40 and 17,826.80

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Solution

The fourth proportional to 25,170.80, 37,799.40 and 17,826.80 is: 26,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,170.80 : 37,799.40 = 17,826.80 : x
  2. Step 2: Convert to fraction form
    25,170.80/37,799.40 = 17,826.80/x
  3. Step 3: Cross multiply
    25,170.80x = 37,799.40 × 17,826.80
  4. Step 4: Simplify right side
    25,170.80x = 673,842,343.92
  5. Step 5: Solve for x
    x = 673,842,343.92/25,170.80
  6. Step 6: Final answer
    x = 26,770.80

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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.