Home / 19,761.52-29,622.84-9,380.56

Finding the Fourth Proportional to 19,761.52, 29,622.84 and 9,380.56

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Solution

The fourth proportional to 19,761.52, 29,622.84 and 9,380.56 is: 14,061.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,761.52 : 29,622.84 = 9,380.56 : x
  2. Step 2: Convert to fraction form
    19,761.52/29,622.84 = 9,380.56/x
  3. Step 3: Cross multiply
    19,761.52x = 29,622.84 × 9,380.56
  4. Step 4: Simplify right side
    19,761.52x = 277,878,827.99
  5. Step 5: Solve for x
    x = 277,878,827.99/19,761.52
  6. Step 6: Final answer
    x = 14,061.61

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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.