Home / 20,623.68-30,888.56-16,153.44

Finding the Fourth Proportional to 20,623.68, 30,888.56 and 16,153.44

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Solution

The fourth proportional to 20,623.68, 30,888.56 and 16,153.44 is: 24,193.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,623.68 : 30,888.56 = 16,153.44 : x
  2. Step 2: Convert to fraction form
    20,623.68/30,888.56 = 16,153.44/x
  3. Step 3: Cross multiply
    20,623.68x = 30,888.56 × 16,153.44
  4. Step 4: Simplify right side
    20,623.68x = 498,956,500.65
  5. Step 5: Solve for x
    x = 498,956,500.65/20,623.68
  6. Step 6: Final answer
    x = 24,193.38

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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.