Home / 16,809.26-25,217.63-5,123.39

Finding the Fourth Proportional to 16,809.26, 25,217.63 and 5,123.39

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Solution

The fourth proportional to 16,809.26, 25,217.63 and 5,123.39 is: 7,686.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,809.26 : 25,217.63 = 5,123.39 : x
  2. Step 2: Convert to fraction form
    16,809.26/25,217.63 = 5,123.39/x
  3. Step 3: Cross multiply
    16,809.26x = 25,217.63 × 5,123.39
  4. Step 4: Simplify right side
    16,809.26x = 129,199,620.87
  5. Step 5: Solve for x
    x = 129,199,620.87/16,809.26
  6. Step 6: Final answer
    x = 7,686.22

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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.