Home / 21,058.38-29,058.21-11,624.58

Finding the Fourth Proportional to 21,058.38, 29,058.21 and 11,624.58

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Solution

The fourth proportional to 21,058.38, 29,058.21 and 11,624.58 is: 16,040.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058.38 : 29,058.21 = 11,624.58 : x
  2. Step 2: Convert to fraction form
    21,058.38/29,058.21 = 11,624.58/x
  3. Step 3: Cross multiply
    21,058.38x = 29,058.21 × 11,624.58
  4. Step 4: Simplify right side
    21,058.38x = 337,789,486.80
  5. Step 5: Solve for x
    x = 337,789,486.80/21,058.38
  6. Step 6: Final answer
    x = 16,040.62

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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.