Home / 19,326.52-26,661.63-13,366.54

Finding the Fourth Proportional to 19,326.52, 26,661.63 and 13,366.54

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Solution

The fourth proportional to 19,326.52, 26,661.63 and 13,366.54 is: 18,439.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.52 : 26,661.63 = 13,366.54 : x
  2. Step 2: Convert to fraction form
    19,326.52/26,661.63 = 13,366.54/x
  3. Step 3: Cross multiply
    19,326.52x = 26,661.63 × 13,366.54
  4. Step 4: Simplify right side
    19,326.52x = 356,373,743.86
  5. Step 5: Solve for x
    x = 356,373,743.86/19,326.52
  6. Step 6: Final answer
    x = 18,439.62

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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.