Home / 16,859.88-25,293.92-5,615.19

Finding the Fourth Proportional to 16,859.88, 25,293.92 and 5,615.19

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Solution

The fourth proportional to 16,859.88, 25,293.92 and 5,615.19 is: 8,424.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,859.88 : 25,293.92 = 5,615.19 : x
  2. Step 2: Convert to fraction form
    16,859.88/25,293.92 = 5,615.19/x
  3. Step 3: Cross multiply
    16,859.88x = 25,293.92 × 5,615.19
  4. Step 4: Simplify right side
    16,859.88x = 142,030,180.68
  5. Step 5: Solve for x
    x = 142,030,180.68/16,859.88
  6. Step 6: Final answer
    x = 8,424.15

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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.