Home / 25,991.72-35,874.14-16,425.52

Finding the Fourth Proportional to 25,991.72, 35,874.14 and 16,425.52

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Solution

The fourth proportional to 25,991.72, 35,874.14 and 16,425.52 is: 22,670.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,991.72 : 35,874.14 = 16,425.52 : x
  2. Step 2: Convert to fraction form
    25,991.72/35,874.14 = 16,425.52/x
  3. Step 3: Cross multiply
    25,991.72x = 35,874.14 × 16,425.52
  4. Step 4: Simplify right side
    25,991.72x = 589,251,404.05
  5. Step 5: Solve for x
    x = 589,251,404.05/25,991.72
  6. Step 6: Final answer
    x = 22,670.74

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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.