Home / 19,269.57-28,713.84-17,307.30

Finding the Fourth Proportional to 19,269.57, 28,713.84 and 17,307.30

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Solution

The fourth proportional to 19,269.57, 28,713.84 and 17,307.30 is: 25,789.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269.57 : 28,713.84 = 17,307.30 : x
  2. Step 2: Convert to fraction form
    19,269.57/28,713.84 = 17,307.30/x
  3. Step 3: Cross multiply
    19,269.57x = 28,713.84 × 17,307.30
  4. Step 4: Simplify right side
    19,269.57x = 496,959,043.03
  5. Step 5: Solve for x
    x = 496,959,043.03/19,269.57
  6. Step 6: Final answer
    x = 25,789.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.