Home / 21,093.66-29,133.15-14,367.60

Finding the Fourth Proportional to 21,093.66, 29,133.15 and 14,367.60

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Solution

The fourth proportional to 21,093.66, 29,133.15 and 14,367.60 is: 19,843.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,093.66 : 29,133.15 = 14,367.60 : x
  2. Step 2: Convert to fraction form
    21,093.66/29,133.15 = 14,367.60/x
  3. Step 3: Cross multiply
    21,093.66x = 29,133.15 × 14,367.60
  4. Step 4: Simplify right side
    21,093.66x = 418,573,445.94
  5. Step 5: Solve for x
    x = 418,573,445.94/21,093.66
  6. Step 6: Final answer
    x = 19,843.57

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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.