Home / 25,966.91-38,984.94-17,561.64

Finding the Fourth Proportional to 25,966.91, 38,984.94 and 17,561.64

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Solution

The fourth proportional to 25,966.91, 38,984.94 and 17,561.64 is: 26,365.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,966.91 : 38,984.94 = 17,561.64 : x
  2. Step 2: Convert to fraction form
    25,966.91/38,984.94 = 17,561.64/x
  3. Step 3: Cross multiply
    25,966.91x = 38,984.94 × 17,561.64
  4. Step 4: Simplify right side
    25,966.91x = 684,639,481.70
  5. Step 5: Solve for x
    x = 684,639,481.70/25,966.91
  6. Step 6: Final answer
    x = 26,365.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.