Home / 19,957.58-27,540.52-11,453.79

Finding the Fourth Proportional to 19,957.58, 27,540.52 and 11,453.79

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Solution

The fourth proportional to 19,957.58, 27,540.52 and 11,453.79 is: 15,805.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957.58 : 27,540.52 = 11,453.79 : x
  2. Step 2: Convert to fraction form
    19,957.58/27,540.52 = 11,453.79/x
  3. Step 3: Cross multiply
    19,957.58x = 27,540.52 × 11,453.79
  4. Step 4: Simplify right side
    19,957.58x = 315,443,332.57
  5. Step 5: Solve for x
    x = 315,443,332.57/19,957.58
  6. Step 6: Final answer
    x = 15,805.69

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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.