Home / 19,043.30-28,507.55-10,251.56

Finding the Fourth Proportional to 19,043.30, 28,507.55 and 10,251.56

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Solution

The fourth proportional to 19,043.30, 28,507.55 and 10,251.56 is: 15,346.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.30 : 28,507.55 = 10,251.56 : x
  2. Step 2: Convert to fraction form
    19,043.30/28,507.55 = 10,251.56/x
  3. Step 3: Cross multiply
    19,043.30x = 28,507.55 × 10,251.56
  4. Step 4: Simplify right side
    19,043.30x = 292,246,879.29
  5. Step 5: Solve for x
    x = 292,246,879.29/19,043.30
  6. Step 6: Final answer
    x = 15,346.44

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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.