Home / 16,749.24-25,124.39-8,424.71

Finding the Fourth Proportional to 16,749.24, 25,124.39 and 8,424.71

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Solution

The fourth proportional to 16,749.24, 25,124.39 and 8,424.71 is: 12,637.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,749.24 : 25,124.39 = 8,424.71 : x
  2. Step 2: Convert to fraction form
    16,749.24/25,124.39 = 8,424.71/x
  3. Step 3: Cross multiply
    16,749.24x = 25,124.39 × 8,424.71
  4. Step 4: Simplify right side
    16,749.24x = 211,665,699.68
  5. Step 5: Solve for x
    x = 211,665,699.68/16,749.24
  6. Step 6: Final answer
    x = 12,637.33

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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.