Home / 23,416.68-35,120.16-8,621.76

Finding the Fourth Proportional to 23,416.68, 35,120.16 and 8,621.76

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Solution

The fourth proportional to 23,416.68, 35,120.16 and 8,621.76 is: 12,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,416.68 : 35,120.16 = 8,621.76 : x
  2. Step 2: Convert to fraction form
    23,416.68/35,120.16 = 8,621.76/x
  3. Step 3: Cross multiply
    23,416.68x = 35,120.16 × 8,621.76
  4. Step 4: Simplify right side
    23,416.68x = 302,797,590.68
  5. Step 5: Solve for x
    x = 302,797,590.68/23,416.68
  6. Step 6: Final answer
    x = 12,930.85

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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.