Home / 21,594.44-29,799.94-12,162.80

Finding the Fourth Proportional to 21,594.44, 29,799.94 and 12,162.80

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Solution

The fourth proportional to 21,594.44, 29,799.94 and 12,162.80 is: 16,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,594.44 : 29,799.94 = 12,162.80 : x
  2. Step 2: Convert to fraction form
    21,594.44/29,799.94 = 12,162.80/x
  3. Step 3: Cross multiply
    21,594.44x = 29,799.94 × 12,162.80
  4. Step 4: Simplify right side
    21,594.44x = 362,450,710.23
  5. Step 5: Solve for x
    x = 362,450,710.23/21,594.44
  6. Step 6: Final answer
    x = 16,784.45

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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.