Home / 21,592.17-29,797.07-12,163.77

Finding the Fourth Proportional to 21,592.17, 29,797.07 and 12,163.77

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Solution

The fourth proportional to 21,592.17, 29,797.07 and 12,163.77 is: 16,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,592.17 : 29,797.07 = 12,163.77 : x
  2. Step 2: Convert to fraction form
    21,592.17/29,797.07 = 12,163.77/x
  3. Step 3: Cross multiply
    21,592.17x = 29,797.07 × 12,163.77
  4. Step 4: Simplify right side
    21,592.17x = 362,444,645.34
  5. Step 5: Solve for x
    x = 362,444,645.34/21,592.17
  6. Step 6: Final answer
    x = 16,785.93

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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.