Home / 19,047.42-28,509.03-17,228.70

Finding the Fourth Proportional to 19,047.42, 28,509.03 and 17,228.70

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Solution

The fourth proportional to 19,047.42, 28,509.03 and 17,228.70 is: 25,786.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,047.42 : 28,509.03 = 17,228.70 : x
  2. Step 2: Convert to fraction form
    19,047.42/28,509.03 = 17,228.70/x
  3. Step 3: Cross multiply
    19,047.42x = 28,509.03 × 17,228.70
  4. Step 4: Simplify right side
    19,047.42x = 491,173,525.16
  5. Step 5: Solve for x
    x = 491,173,525.16/19,047.42
  6. Step 6: Final answer
    x = 25,786.88

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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.