Home / 19,926.85-29,876.30-8,827.51

Finding the Fourth Proportional to 19,926.85, 29,876.30 and 8,827.51

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Solution

The fourth proportional to 19,926.85, 29,876.30 and 8,827.51 is: 13,235.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926.85 : 29,876.30 = 8,827.51 : x
  2. Step 2: Convert to fraction form
    19,926.85/29,876.30 = 8,827.51/x
  3. Step 3: Cross multiply
    19,926.85x = 29,876.30 × 8,827.51
  4. Step 4: Simplify right side
    19,926.85x = 263,733,292.88
  5. Step 5: Solve for x
    x = 263,733,292.88/19,926.85
  6. Step 6: Final answer
    x = 13,235.07

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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.