Home / 19,217.08-26,520.11-11,259.64

Finding the Fourth Proportional to 19,217.08, 26,520.11 and 11,259.64

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Solution

The fourth proportional to 19,217.08, 26,520.11 and 11,259.64 is: 15,538.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217.08 : 26,520.11 = 11,259.64 : x
  2. Step 2: Convert to fraction form
    19,217.08/26,520.11 = 11,259.64/x
  3. Step 3: Cross multiply
    19,217.08x = 26,520.11 × 11,259.64
  4. Step 4: Simplify right side
    19,217.08x = 298,606,891.36
  5. Step 5: Solve for x
    x = 298,606,891.36/19,217.08
  6. Step 6: Final answer
    x = 15,538.62

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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.