Home / 17,421.48-26,138.70-5,734.80

Finding the Fourth Proportional to 17,421.48, 26,138.70 and 5,734.80

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Solution

The fourth proportional to 17,421.48, 26,138.70 and 5,734.80 is: 8,604.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,421.48 : 26,138.70 = 5,734.80 : x
  2. Step 2: Convert to fraction form
    17,421.48/26,138.70 = 5,734.80/x
  3. Step 3: Cross multiply
    17,421.48x = 26,138.70 × 5,734.80
  4. Step 4: Simplify right side
    17,421.48x = 149,900,216.76
  5. Step 5: Solve for x
    x = 149,900,216.76/17,421.48
  6. Step 6: Final answer
    x = 8,604.33

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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.