Home / 20,010.55-27,614.90-11,058.05

Finding the Fourth Proportional to 20,010.55, 27,614.90 and 11,058.05

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Solution

The fourth proportional to 20,010.55, 27,614.90 and 11,058.05 is: 15,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,010.55 : 27,614.90 = 11,058.05 : x
  2. Step 2: Convert to fraction form
    20,010.55/27,614.90 = 11,058.05/x
  3. Step 3: Cross multiply
    20,010.55x = 27,614.90 × 11,058.05
  4. Step 4: Simplify right side
    20,010.55x = 305,366,944.95
  5. Step 5: Solve for x
    x = 305,366,944.95/20,010.55
  6. Step 6: Final answer
    x = 15,260.30

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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.