Home / 23,158.15-31,956.77-12,950.03

Finding the Fourth Proportional to 23,158.15, 31,956.77 and 12,950.03

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Solution

The fourth proportional to 23,158.15, 31,956.77 and 12,950.03 is: 17,870.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,158.15 : 31,956.77 = 12,950.03 : x
  2. Step 2: Convert to fraction form
    23,158.15/31,956.77 = 12,950.03/x
  3. Step 3: Cross multiply
    23,158.15x = 31,956.77 × 12,950.03
  4. Step 4: Simplify right side
    23,158.15x = 413,840,998.97
  5. Step 5: Solve for x
    x = 413,840,998.97/23,158.15
  6. Step 6: Final answer
    x = 17,870.21

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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.