Home / 19,235.52-26,542.08-12,171.60

Finding the Fourth Proportional to 19,235.52, 26,542.08 and 12,171.60

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Solution

The fourth proportional to 19,235.52, 26,542.08 and 12,171.60 is: 16,794.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,235.52 : 26,542.08 = 12,171.60 : x
  2. Step 2: Convert to fraction form
    19,235.52/26,542.08 = 12,171.60/x
  3. Step 3: Cross multiply
    19,235.52x = 26,542.08 × 12,171.60
  4. Step 4: Simplify right side
    19,235.52x = 323,059,580.93
  5. Step 5: Solve for x
    x = 323,059,580.93/19,235.52
  6. Step 6: Final answer
    x = 16,794.95

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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.