Home / 19,199.99-26,495.87-11,240.61

Finding the Fourth Proportional to 19,199.99, 26,495.87 and 11,240.61

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Solution

The fourth proportional to 19,199.99, 26,495.87 and 11,240.61 is: 15,511.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,199.99 : 26,495.87 = 11,240.61 : x
  2. Step 2: Convert to fraction form
    19,199.99/26,495.87 = 11,240.61/x
  3. Step 3: Cross multiply
    19,199.99x = 26,495.87 × 11,240.61
  4. Step 4: Simplify right side
    19,199.99x = 297,829,685.08
  5. Step 5: Solve for x
    x = 297,829,685.08/19,199.99
  6. Step 6: Final answer
    x = 15,511.97

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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.