Home / 16,911.28-25,370.86-4,903.68

Finding the Fourth Proportional to 16,911.28, 25,370.86 and 4,903.68

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Solution

The fourth proportional to 16,911.28, 25,370.86 and 4,903.68 is: 7,356.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.28 : 25,370.86 = 4,903.68 : x
  2. Step 2: Convert to fraction form
    16,911.28/25,370.86 = 4,903.68/x
  3. Step 3: Cross multiply
    16,911.28x = 25,370.86 × 4,903.68
  4. Step 4: Simplify right side
    16,911.28x = 124,410,578.76
  5. Step 5: Solve for x
    x = 124,410,578.76/16,911.28
  6. Step 6: Final answer
    x = 7,356.66

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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.