Home / 19,296.09-26,631.99-11,228.90

Finding the Fourth Proportional to 19,296.09, 26,631.99 and 11,228.90

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Solution

The fourth proportional to 19,296.09, 26,631.99 and 11,228.90 is: 15,497.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,296.09 : 26,631.99 = 11,228.90 : x
  2. Step 2: Convert to fraction form
    19,296.09/26,631.99 = 11,228.90/x
  3. Step 3: Cross multiply
    19,296.09x = 26,631.99 × 11,228.90
  4. Step 4: Simplify right side
    19,296.09x = 299,047,819.35
  5. Step 5: Solve for x
    x = 299,047,819.35/19,296.09
  6. Step 6: Final answer
    x = 15,497.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.