Home / 17,219.40-25,785.90-16,441.80

Finding the Fourth Proportional to 17,219.40, 25,785.90 and 16,441.80

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Solution

The fourth proportional to 17,219.40, 25,785.90 and 16,441.80 is: 24,621.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,219.40 : 25,785.90 = 16,441.80 : x
  2. Step 2: Convert to fraction form
    17,219.40/25,785.90 = 16,441.80/x
  3. Step 3: Cross multiply
    17,219.40x = 25,785.90 × 16,441.80
  4. Step 4: Simplify right side
    17,219.40x = 423,966,610.62
  5. Step 5: Solve for x
    x = 423,966,610.62/17,219.40
  6. Step 6: Final answer
    x = 24,621.45

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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.