Home / 19,298.10-28,923.30-11,392.59

Finding the Fourth Proportional to 19,298.10, 28,923.30 and 11,392.59

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Solution

The fourth proportional to 19,298.10, 28,923.30 and 11,392.59 is: 17,074.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,298.10 : 28,923.30 = 11,392.59 : x
  2. Step 2: Convert to fraction form
    19,298.10/28,923.30 = 11,392.59/x
  3. Step 3: Cross multiply
    19,298.10x = 28,923.30 × 11,392.59
  4. Step 4: Simplify right side
    19,298.10x = 329,511,298.35
  5. Step 5: Solve for x
    x = 329,511,298.35/19,298.10
  6. Step 6: Final answer
    x = 17,074.81

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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.