Home / 19,927.10-29,876.67-8,827.76

Finding the Fourth Proportional to 19,927.10, 29,876.67 and 8,827.76

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Solution

The fourth proportional to 19,927.10, 29,876.67 and 8,827.76 is: 13,235.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.10 : 29,876.67 = 8,827.76 : x
  2. Step 2: Convert to fraction form
    19,927.10/29,876.67 = 8,827.76/x
  3. Step 3: Cross multiply
    19,927.10x = 29,876.67 × 8,827.76
  4. Step 4: Simplify right side
    19,927.10x = 263,744,072.36
  5. Step 5: Solve for x
    x = 263,744,072.36/19,927.10
  6. Step 6: Final answer
    x = 13,235.45

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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.