Home / 17,288.80-25,933.20-16,530.40

Finding the Fourth Proportional to 17,288.80, 25,933.20 and 16,530.40

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Solution

The fourth proportional to 17,288.80, 25,933.20 and 16,530.40 is: 24,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,288.80 : 25,933.20 = 16,530.40 : x
  2. Step 2: Convert to fraction form
    17,288.80/25,933.20 = 16,530.40/x
  3. Step 3: Cross multiply
    17,288.80x = 25,933.20 × 16,530.40
  4. Step 4: Simplify right side
    17,288.80x = 428,686,169.28
  5. Step 5: Solve for x
    x = 428,686,169.28/17,288.80
  6. Step 6: Final answer
    x = 24,795.60

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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.