Home / 16,992.81-25,507.67-12,536.50

Finding the Fourth Proportional to 16,992.81, 25,507.67 and 12,536.50

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Solution

The fourth proportional to 16,992.81, 25,507.67 and 12,536.50 is: 18,818.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,992.81 : 25,507.67 = 12,536.50 : x
  2. Step 2: Convert to fraction form
    16,992.81/25,507.67 = 12,536.50/x
  3. Step 3: Cross multiply
    16,992.81x = 25,507.67 × 12,536.50
  4. Step 4: Simplify right side
    16,992.81x = 319,776,904.96
  5. Step 5: Solve for x
    x = 319,776,904.96/16,992.81
  6. Step 6: Final answer
    x = 18,818.37

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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.