Home / 16,854.08-25,303-12,961.22

Finding the Fourth Proportional to 16,854.08, 25,303 and 12,961.22

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Solution

The fourth proportional to 16,854.08, 25,303 and 12,961.22 is: 19,458.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,854.08 : 25,303 = 12,961.22 : x
  2. Step 2: Convert to fraction form
    16,854.08/25,303 = 12,961.22/x
  3. Step 3: Cross multiply
    16,854.08x = 25,303 × 12,961.22
  4. Step 4: Simplify right side
    16,854.08x = 327,957,749.66
  5. Step 5: Solve for x
    x = 327,957,749.66/16,854.08
  6. Step 6: Final answer
    x = 19,458.66

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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.