Home / 21,033.85-29,026.76-11,473.75

Finding the Fourth Proportional to 21,033.85, 29,026.76 and 11,473.75

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Solution

The fourth proportional to 21,033.85, 29,026.76 and 11,473.75 is: 15,833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033.85 : 29,026.76 = 11,473.75 : x
  2. Step 2: Convert to fraction form
    21,033.85/29,026.76 = 11,473.75/x
  3. Step 3: Cross multiply
    21,033.85x = 29,026.76 × 11,473.75
  4. Step 4: Simplify right side
    21,033.85x = 333,045,787.55
  5. Step 5: Solve for x
    x = 333,045,787.55/21,033.85
  6. Step 6: Final answer
    x = 15,833.80

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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.