Home / 19,076.88-26,327.13-11,118.63

Finding the Fourth Proportional to 19,076.88, 26,327.13 and 11,118.63

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Solution

The fourth proportional to 19,076.88, 26,327.13 and 11,118.63 is: 15,344.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,076.88 : 26,327.13 = 11,118.63 : x
  2. Step 2: Convert to fraction form
    19,076.88/26,327.13 = 11,118.63/x
  3. Step 3: Cross multiply
    19,076.88x = 26,327.13 × 11,118.63
  4. Step 4: Simplify right side
    19,076.88x = 292,721,617.43
  5. Step 5: Solve for x
    x = 292,721,617.43/19,076.88
  6. Step 6: Final answer
    x = 15,344.31

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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.