Home / 19,876.08-29,818.50-11,004.32

Finding the Fourth Proportional to 19,876.08, 29,818.50 and 11,004.32

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Solution

The fourth proportional to 19,876.08, 29,818.50 and 11,004.32 is: 16,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,876.08 : 29,818.50 = 11,004.32 : x
  2. Step 2: Convert to fraction form
    19,876.08/29,818.50 = 11,004.32/x
  3. Step 3: Cross multiply
    19,876.08x = 29,818.50 × 11,004.32
  4. Step 4: Simplify right side
    19,876.08x = 328,132,349.20
  5. Step 5: Solve for x
    x = 328,132,349.20/19,876.08
  6. Step 6: Final answer
    x = 16,508.90

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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.