Home / 21,026.85-29,016.96-11,595.41

Finding the Fourth Proportional to 21,026.85, 29,016.96 and 11,595.41

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Solution

The fourth proportional to 21,026.85, 29,016.96 and 11,595.41 is: 16,001.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,026.85 : 29,016.96 = 11,595.41 : x
  2. Step 2: Convert to fraction form
    21,026.85/29,016.96 = 11,595.41/x
  3. Step 3: Cross multiply
    21,026.85x = 29,016.96 × 11,595.41
  4. Step 4: Simplify right side
    21,026.85x = 336,463,562.72
  5. Step 5: Solve for x
    x = 336,463,562.72/21,026.85
  6. Step 6: Final answer
    x = 16,001.62

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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.