Home / 19,456.10-29,137.35-11,110.82

Finding the Fourth Proportional to 19,456.10, 29,137.35 and 11,110.82

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Solution

The fourth proportional to 19,456.10, 29,137.35 and 11,110.82 is: 16,639.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,456.10 : 29,137.35 = 11,110.82 : x
  2. Step 2: Convert to fraction form
    19,456.10/29,137.35 = 11,110.82/x
  3. Step 3: Cross multiply
    19,456.10x = 29,137.35 × 11,110.82
  4. Step 4: Simplify right side
    19,456.10x = 323,739,911.00
  5. Step 5: Solve for x
    x = 323,739,911.00/19,456.10
  6. Step 6: Final answer
    x = 16,639.51

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1.5x scale

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.