Home / 19,511.30-26,926.81-11,014.85

Finding the Fourth Proportional to 19,511.30, 26,926.81 and 11,014.85

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Solution

The fourth proportional to 19,511.30, 26,926.81 and 11,014.85 is: 15,201.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511.30 : 26,926.81 = 11,014.85 : x
  2. Step 2: Convert to fraction form
    19,511.30/26,926.81 = 11,014.85/x
  3. Step 3: Cross multiply
    19,511.30x = 26,926.81 × 11,014.85
  4. Step 4: Simplify right side
    19,511.30x = 296,594,812.91
  5. Step 5: Solve for x
    x = 296,594,812.91/19,511.30
  6. Step 6: Final answer
    x = 15,201.19

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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.