Home / 21,625.70-29,844.51-12,194.06

Finding the Fourth Proportional to 21,625.70, 29,844.51 and 12,194.06

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Solution

The fourth proportional to 21,625.70, 29,844.51 and 12,194.06 is: 16,828.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,625.70 : 29,844.51 = 12,194.06 : x
  2. Step 2: Convert to fraction form
    21,625.70/29,844.51 = 12,194.06/x
  3. Step 3: Cross multiply
    21,625.70x = 29,844.51 × 12,194.06
  4. Step 4: Simplify right side
    21,625.70x = 363,925,820.22
  5. Step 5: Solve for x
    x = 363,925,820.22/21,625.70
  6. Step 6: Final answer
    x = 16,828.39

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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.