Home / 17,511.19-26,277.72-7,122.94

Finding the Fourth Proportional to 17,511.19, 26,277.72 and 7,122.94

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Solution

The fourth proportional to 17,511.19, 26,277.72 and 7,122.94 is: 10,688.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,511.19 : 26,277.72 = 7,122.94 : x
  2. Step 2: Convert to fraction form
    17,511.19/26,277.72 = 7,122.94/x
  3. Step 3: Cross multiply
    17,511.19x = 26,277.72 × 7,122.94
  4. Step 4: Simplify right side
    17,511.19x = 187,174,530.49
  5. Step 5: Solve for x
    x = 187,174,530.49/17,511.19
  6. Step 6: Final answer
    x = 10,688.85

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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.