Home / 21,466.08-29,625.12-12,516.48

Finding the Fourth Proportional to 21,466.08, 29,625.12 and 12,516.48

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Solution

The fourth proportional to 21,466.08, 29,625.12 and 12,516.48 is: 17,273.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,466.08 : 29,625.12 = 12,516.48 : x
  2. Step 2: Convert to fraction form
    21,466.08/29,625.12 = 12,516.48/x
  3. Step 3: Cross multiply
    21,466.08x = 29,625.12 × 12,516.48
  4. Step 4: Simplify right side
    21,466.08x = 370,802,221.98
  5. Step 5: Solve for x
    x = 370,802,221.98/21,466.08
  6. Step 6: Final answer
    x = 17,273.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.