Home / 22,621.16-33,928.86-8,760.68

Finding the Fourth Proportional to 22,621.16, 33,928.86 and 8,760.68

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Solution

The fourth proportional to 22,621.16, 33,928.86 and 8,760.68 is: 13,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,621.16 : 33,928.86 = 8,760.68 : x
  2. Step 2: Convert to fraction form
    22,621.16/33,928.86 = 8,760.68/x
  3. Step 3: Cross multiply
    22,621.16x = 33,928.86 × 8,760.68
  4. Step 4: Simplify right side
    22,621.16x = 297,239,885.22
  5. Step 5: Solve for x
    x = 297,239,885.22/22,621.16
  6. Step 6: Final answer
    x = 13,139.90

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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.