Home / 25,600.92-35,326.74-18,890.16

Finding the Fourth Proportional to 25,600.92, 35,326.74 and 18,890.16

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Solution

The fourth proportional to 25,600.92, 35,326.74 and 18,890.16 is: 26,066.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,600.92 : 35,326.74 = 18,890.16 : x
  2. Step 2: Convert to fraction form
    25,600.92/35,326.74 = 18,890.16/x
  3. Step 3: Cross multiply
    25,600.92x = 35,326.74 × 18,890.16
  4. Step 4: Simplify right side
    25,600.92x = 667,327,770.88
  5. Step 5: Solve for x
    x = 667,327,770.88/25,600.92
  6. Step 6: Final answer
    x = 26,066.55

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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.