Home / 21,193.79-29,246.43-11,633.46

Finding the Fourth Proportional to 21,193.79, 29,246.43 and 11,633.46

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Solution

The fourth proportional to 21,193.79, 29,246.43 and 11,633.46 is: 16,053.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,193.79 : 29,246.43 = 11,633.46 : x
  2. Step 2: Convert to fraction form
    21,193.79/29,246.43 = 11,633.46/x
  3. Step 3: Cross multiply
    21,193.79x = 29,246.43 × 11,633.46
  4. Step 4: Simplify right side
    21,193.79x = 340,237,173.55
  5. Step 5: Solve for x
    x = 340,237,173.55/21,193.79
  6. Step 6: Final answer
    x = 16,053.63

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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.