Home / 20,010.24-27,615.84-11,058.72

Finding the Fourth Proportional to 20,010.24, 27,615.84 and 11,058.72

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Solution

The fourth proportional to 20,010.24, 27,615.84 and 11,058.72 is: 15,261.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,010.24 : 27,615.84 = 11,058.72 : x
  2. Step 2: Convert to fraction form
    20,010.24/27,615.84 = 11,058.72/x
  3. Step 3: Cross multiply
    20,010.24x = 27,615.84 × 11,058.72
  4. Step 4: Simplify right side
    20,010.24x = 305,395,842.12
  5. Step 5: Solve for x
    x = 305,395,842.12/20,010.24
  6. Step 6: Final answer
    x = 15,261.98

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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.