Home / 22,621.12-33,900.04-19,271.92

Finding the Fourth Proportional to 22,621.12, 33,900.04 and 19,271.92

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Solution

The fourth proportional to 22,621.12, 33,900.04 and 19,271.92 is: 28,880.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,621.12 : 33,900.04 = 19,271.92 : x
  2. Step 2: Convert to fraction form
    22,621.12/33,900.04 = 19,271.92/x
  3. Step 3: Cross multiply
    22,621.12x = 33,900.04 × 19,271.92
  4. Step 4: Simplify right side
    22,621.12x = 653,318,858.88
  5. Step 5: Solve for x
    x = 653,318,858.88/22,621.12
  6. Step 6: Final answer
    x = 28,880.92

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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.