Home / 25,981.86-35,855.08-16,425.94

Finding the Fourth Proportional to 25,981.86, 35,855.08 and 16,425.94

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Solution

The fourth proportional to 25,981.86, 35,855.08 and 16,425.94 is: 22,667.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,981.86 : 35,855.08 = 16,425.94 : x
  2. Step 2: Convert to fraction form
    25,981.86/35,855.08 = 16,425.94/x
  3. Step 3: Cross multiply
    25,981.86x = 35,855.08 × 16,425.94
  4. Step 4: Simplify right side
    25,981.86x = 588,953,375.50
  5. Step 5: Solve for x
    x = 588,953,375.50/25,981.86
  6. Step 6: Final answer
    x = 22,667.86

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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.