Home / 21,426.59-29,566.41-11,993.33

Finding the Fourth Proportional to 21,426.59, 29,566.41 and 11,993.33

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Solution

The fourth proportional to 21,426.59, 29,566.41 and 11,993.33 is: 16,549.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,426.59 : 29,566.41 = 11,993.33 : x
  2. Step 2: Convert to fraction form
    21,426.59/29,566.41 = 11,993.33/x
  3. Step 3: Cross multiply
    21,426.59x = 29,566.41 × 11,993.33
  4. Step 4: Simplify right side
    21,426.59x = 354,599,712.05
  5. Step 5: Solve for x
    x = 354,599,712.05/21,426.59
  6. Step 6: Final answer
    x = 16,549.52

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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.