Home / 19,177.88-26,451.83-12,801.25

Finding the Fourth Proportional to 19,177.88, 26,451.83 and 12,801.25

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Solution

The fourth proportional to 19,177.88, 26,451.83 and 12,801.25 is: 17,656.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,177.88 : 26,451.83 = 12,801.25 : x
  2. Step 2: Convert to fraction form
    19,177.88/26,451.83 = 12,801.25/x
  3. Step 3: Cross multiply
    19,177.88x = 26,451.83 × 12,801.25
  4. Step 4: Simplify right side
    19,177.88x = 338,616,520.79
  5. Step 5: Solve for x
    x = 338,616,520.79/19,177.88
  6. Step 6: Final answer
    x = 17,656.62

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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.