Home / 21,232.60-29,301.14-11,672.66

Finding the Fourth Proportional to 21,232.60, 29,301.14 and 11,672.66

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Solution

The fourth proportional to 21,232.60, 29,301.14 and 11,672.66 is: 16,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232.60 : 29,301.14 = 11,672.66 : x
  2. Step 2: Convert to fraction form
    21,232.60/29,301.14 = 11,672.66/x
  3. Step 3: Cross multiply
    21,232.60x = 29,301.14 × 11,672.66
  4. Step 4: Simplify right side
    21,232.60x = 342,022,244.83
  5. Step 5: Solve for x
    x = 342,022,244.83/21,232.60
  6. Step 6: Final answer
    x = 16,108.35

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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.