Home / 20,052.68-30,078.66-6,904.76

Finding the Fourth Proportional to 20,052.68, 30,078.66 and 6,904.76

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Solution

The fourth proportional to 20,052.68, 30,078.66 and 6,904.76 is: 10,357.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,052.68 : 30,078.66 = 6,904.76 : x
  2. Step 2: Convert to fraction form
    20,052.68/30,078.66 = 6,904.76/x
  3. Step 3: Cross multiply
    20,052.68x = 30,078.66 × 6,904.76
  4. Step 4: Simplify right side
    20,052.68x = 207,685,928.42
  5. Step 5: Solve for x
    x = 207,685,928.42/20,052.68
  6. Step 6: Final answer
    x = 10,357.02

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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.