Home / 16,761.11-23,129.30-9,205.97

Finding the Fourth Proportional to 16,761.11, 23,129.30 and 9,205.97

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Solution

The fourth proportional to 16,761.11, 23,129.30 and 9,205.97 is: 12,703.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,761.11 : 23,129.30 = 9,205.97 : x
  2. Step 2: Convert to fraction form
    16,761.11/23,129.30 = 9,205.97/x
  3. Step 3: Cross multiply
    16,761.11x = 23,129.30 × 9,205.97
  4. Step 4: Simplify right side
    16,761.11x = 212,927,480.24
  5. Step 5: Solve for x
    x = 212,927,480.24/16,761.11
  6. Step 6: Final answer
    x = 12,703.67

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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.