Home / 19,133.56-26,397.78-11,958.58

Finding the Fourth Proportional to 19,133.56, 26,397.78 and 11,958.58

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Solution

The fourth proportional to 19,133.56, 26,397.78 and 11,958.58 is: 16,498.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133.56 : 26,397.78 = 11,958.58 : x
  2. Step 2: Convert to fraction form
    19,133.56/26,397.78 = 11,958.58/x
  3. Step 3: Cross multiply
    19,133.56x = 26,397.78 × 11,958.58
  4. Step 4: Simplify right side
    19,133.56x = 315,679,963.95
  5. Step 5: Solve for x
    x = 315,679,963.95/19,133.56
  6. Step 6: Final answer
    x = 16,498.76

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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.