Home / 19,826.01-29,729.61-11,508.57

Finding the Fourth Proportional to 19,826.01, 29,729.61 and 11,508.57

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Solution

The fourth proportional to 19,826.01, 29,729.61 and 11,508.57 is: 17,257.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,826.01 : 29,729.61 = 11,508.57 : x
  2. Step 2: Convert to fraction form
    19,826.01/29,729.61 = 11,508.57/x
  3. Step 3: Cross multiply
    19,826.01x = 29,729.61 × 11,508.57
  4. Step 4: Simplify right side
    19,826.01x = 342,145,297.76
  5. Step 5: Solve for x
    x = 342,145,297.76/19,826.01
  6. Step 6: Final answer
    x = 17,257.40

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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.