Home / 16,511.49-22,786.25-9,438.57

Finding the Fourth Proportional to 16,511.49, 22,786.25 and 9,438.57

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Solution

The fourth proportional to 16,511.49, 22,786.25 and 9,438.57 is: 13,025.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,511.49 : 22,786.25 = 9,438.57 : x
  2. Step 2: Convert to fraction form
    16,511.49/22,786.25 = 9,438.57/x
  3. Step 3: Cross multiply
    16,511.49x = 22,786.25 × 9,438.57
  4. Step 4: Simplify right side
    16,511.49x = 215,069,568.47
  5. Step 5: Solve for x
    x = 215,069,568.47/16,511.49
  6. Step 6: Final answer
    x = 13,025.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.