Home / 21,053.28-29,052.54-12,094.48

Finding the Fourth Proportional to 21,053.28, 29,052.54 and 12,094.48

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Solution

The fourth proportional to 21,053.28, 29,052.54 and 12,094.48 is: 16,689.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,053.28 : 29,052.54 = 12,094.48 : x
  2. Step 2: Convert to fraction form
    21,053.28/29,052.54 = 12,094.48/x
  3. Step 3: Cross multiply
    21,053.28x = 29,052.54 × 12,094.48
  4. Step 4: Simplify right side
    21,053.28x = 351,375,363.98
  5. Step 5: Solve for x
    x = 351,375,363.98/21,053.28
  6. Step 6: Final answer
    x = 16,689.82

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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.